Music is found in every known culture, past and present, varying wildly between times and places. Around 50,000 years ago, early modern humans began to disperse from Africa, reaching all the habitable continents. Since all people of the world, including the most isolated tribal groups, have a form of music, scientists conclude that music must have been present in the ancestral population prior to the dispersal of humans around the world. Consequently music must have been in existence for at least 50,000 years and the first music must have been invented in Africa and then evolved to become a fundamental constituent of human life.
A culture's music is influenced by all other aspects of that culture, including social and economic organization and experience, climate, and access to technology. The emotions and ideas that music expresses, the situations in which music is played and listened to, and the attitudes toward music players and composers all vary between regions and periods. "Music history" is the distinct subfield of musicology and history which studies music (particularly western art music) from a chronological perspective.
Music history eras
Ancient (before AD 500)
Early (500 – 1760)
Common practice (1600 – 1900)
Modern and contemporary (1900 – present)
Main article: Prehistoric music
Prehistoric music, once more commonly called primitive music, is the name given to all music produced in preliterate cultures (prehistory), beginning somewhere in very late geological history. Traditional Native American and Australian Aboriginal music could be called prehistoric, but the term is commonly used to refer to the music in Europe before the development of writing there. It is more common to call the "prehistoric" music of non-European continents – especially that which still survives – folk, indigenous, or traditional music.
Main article: History of music in the biblical period
"David with his harp" Paris Psalter,
c. 960, Constantinople
According to Easton's Bible Dictionary, Jubal was the inventor of musical instruments (Gen. 4:21). The Hebrews were much given to the cultivation of music. Their whole history and literature afford abundant evidence of this. After the Deluge, the first mention of music is in the account of Laban's interview with Jacob (Gen. 31:27). After their triumphal passage of the Red Sea, Moses and the children of Israel sang their song of deliverance (Ex. 15). But the period of Samuel, David, and Solomon was the golden age of Hebrew music, as it was of Hebrew poetry. Music was now for the first time systematically cultivated. It was an essential part of training in the schools of the prophets (1 Sam. 10:5; 19:19-24; 2 Kings 3:15; 1 Chr. 25:6). There now arose also a class of professional singers (2 Sam. 19:35; Eccl. 2:8). Solomon's Temple, however, was the great school of music. In the conducting of its services large bands of trained singers and players on instruments were constantly employed (2 Sam. 6:5; 1 Chr. 15; 16; 23;5; 25:1-6). In private life also music seems to have held an important place among the Hebrews (Eccl. 2:8; Amos 6:4-6; Isa. 5:11, 12; 24:8, 9; Ps. 137; Jer. 48:33; Luke 15:25).
Music and theatre scholars studying the history and anthropology of Semitic and early Judeo-Christian culture, have also discovered common links between theatrical and musical activity in the classical cultures of the Hebrews with those of the later cultures of the Greeks and Romans. The common area of performance is found in a "social phenomenon called litany," a form of prayer consisting of a series of invocations or supplications. The Journal of Religion and Theatre notes that among the earliest forms of litany, "Hebrew litany was accompanied by a rich musical tradition:"
"While Genesis 4.21 identifies Jubal as the “father of all such as handle the harp and pipe,” the Pentateuch is nearly silent about the practice and instruction of music in the early life of Israel. Then, in I Samuel 10 and the texts which follow, a curious thing happens. “One finds in the biblical text,” writes Alfred Sendrey, “a sudden and unexplained upsurge of large choirs and orchestras, consisting of thoroughly organized and trained musical groups, which would be virtually inconceivable without lengthy, methodical preparation.” This has led some scholars to believe that the prophet Samuel was the patriarch of a school which taught not only prophets and holy men, but also sacred-rite musicians. This public music school, perhaps the earliest in recorded history, was not restricted to a priestly class--which is how the shepherd boy David appears on the scene as a minstrel to King Saul."
Main article: Ancient music
The prehistoric era is considered to have ended with the development of writing, and with it, by definition, prehistoric music. "Ancient music" is the name given to the music that followed. The "oldest known song" was written in cuneiform, dating to 4,000 years ago from Ur. It was deciphered by Prof. Anne Draffkorn Kilmer (University of Calif. at Berkeley), and was demonstrated to be composed in harmonies of thirds, like ancient gymel, and also was written using a Pythagorean tuning of the diatonic scale.
Double pipes, such as those used by the ancient Greeks, and ancient bagpipes, as well as a review of ancient drawings on vases and walls, etc., and ancient writings (such as in Aristotle, Problems, Book XIX.12) which described musical techniques of the time, indicate polyphony. One pipe in the aulos pairs (double flutes) likely served as a drone or "keynote," while the other played melodic passages. Instruments, such as the seven holed flute and various types of stringed instruments have been recovered from the Indus valley civilization archaeological sites.
Indian classical music (marga) can be found from the scriptures of the Hindu tradition, the Vedas. Samaveda, one of the four vedas, describes music at length. The history of musical development in Iran (Persian music) dates back to the prehistoric era. The great legendary king, Jamshid, is credited with the invention of music. Music in Iran can be traced back to the days of the Elamite Empire (2,500-644 B.C). Fragmentary documents from various periods of the country's history establish that the ancient Persians possessed an elaborate musical culture. The Sassanid period (A.D. 226-651), in particular, has left us ample evidence pointing to the existence of a lively musical life in Persia. The names of some important musicians such as Barbod, Nakissa and Ramtin, and titles of some of their works have survived.
The term Early music era may also refer to contemporary but traditional or folk music, including Asian music, Persian music, music of India, Jewish music, Greek music, Roman music, the music of Mesopotamia, the music of Egypt, and Muslim music.
Main article: Early music
Early music is a general term used to describe music in the European classical tradition from after the fall of the Roman Empire, in 476 CE, until the end of the Baroque era in the middle of the 18th century. Music within this enormous span of time was extremely diverse, encompassing multiple cultural traditions within a wide geographic area; many of the cultural groups out of which medieval Europe developed already had musical traditions, about which little is known. What unified these cultures in the Middle Ages was the Roman Catholic Church, and its music served as the focal point for musical development for the first thousand years of this period. Very little non-Christian music from this period survived, due to its suppression by the Church and the absence of music notation; however, folk music of modern Europe probably has roots at least as far back as the Middle Ages.
Western Art Music
Periods of European art music
Modern and contemporary
Main article: Western art music
Main article: Medieval music
While musical life was undoubtedly rich in the early Medieval era, as attested by artistic depictions of instruments, writings about music, and other records, the only repertory of music which has survived from before 800 to the present day is the plainsong liturgical music of the Roman Catholic Church, the largest part of which is called Gregorian chant. Pope Gregory I, who gave his name to the musical repertory and may himself have been a composer, is usually claimed to be the originator of the musical portion of the liturgy in its present form, though the sources giving details on his contribution date from more than a hundred years after his death. Many scholars believe that his reputation has been exaggerated by legend. Most of the chant repertory was composed anonymously in the centuries between the time of Gregory and Charlemagne.
During the 9th century several important developments took place. First, there was a major effort by the Church to unify the many chant traditions, and suppress many of them in favor of the Gregorian liturgy. Second, the earliest polyphonic music was sung, a form of parallel singing known as organum. Third, and of greatest significance for music history, notation was reinvented after a lapse of about five hundred years, though it would be several more centuries before a system of pitch and rhythm notation evolved having the precision and flexibility that modern musicians take for granted.
Several schools of polyphony flourished in the period after 1100: the St. Martial school of organum, the music of which was often characterized by a swiftly moving part over a single sustained line; the Notre Dame school of polyphony, which included the composers Léonin and Pérotin, and which produced the first music for more than two parts around 1200; the musical melting-pot of Santiago de Compostela in Galicia, a pilgrimage destination and site where musicians from many traditions came together in the late Middle Ages, the music of whom survives in the Codex Calixtinus; and the English school, the music of which survives in the Worcester Fragments and the Old Hall Manuscript. Alongside these schools of sacred music a vibrant tradition of secular song developed, as exemplified in the music of the troubadours, trouvères and Minnesänger. Much of the later secular music of the early Renaissance evolved from the forms, ideas, and the musical aesthetic of the troubadours, courtly poets and itinerant musicians, whose culture was largely exterminated during the Albigensian Crusade in the early 13th century.
Forms of sacred music which developed during the late 13th century included the motet, conductus, discant, and clausulae. One unusual development was the Geisslerlieder, the music of wandering bands of flagellants during two periods: the middle of the 13th century (until they were suppressed by the Church); and the period during and immediately following the Black Death, around 1350, when their activities were vividly recorded and well-documented with notated music. Their music mixed folk song styles with penitential or apocalyptic texts. The 14th century in European music history is dominated by the style of the ars nova, which by convention is grouped with the medieval era in music, even though it had much in common with early Renaissance ideals and aesthetics. Much of the surviving music of the time is secular, and tends to use the formes fixes: the ballade, the virelai, the lai, the rondeau, which correspond to poetic forms of the same names. Most pieces in these forms are for one to three voices, likely with instrumental accompaniment: famous composers include Guillaume de Machaut and Francesco Landini.
Main article: Renaissance music
The beginning of the Renaissance in music is not as clearly marked as the beginning of the Renaissance in the other arts, and unlike in the other arts, it did not begin in Italy, but in northern Europe, specifically in the area currently comprising central and northern France, the Netherlands, and Belgium. The style of the Burgundian composers, as the first generation of the Franco-Flemish school is known, was at first a reaction against the excessive complexity and mannered style of the late 14th century ars subtilior, and contained clear, singable melody and balanced polyphony in all voices. The most famous composers of the Burgundian school in the mid-15th century are Guillaume Dufay, Gilles Binchois, and Antoine Busnois.
By the middle of the 15th century, composers and singers from the Low Countries and adjacent areas began to spread across Europe, especially into Italy, where they were employed by the papal chapel and the aristocratic patrons of the arts (such as the Medici, the Este, and the Sforza families). They carried their style with them: smooth polyphony which could be adapted for sacred or secular use as appropriate. Principal forms of sacred musical composition at the time were the mass, the motet, and the laude; secular forms included the chanson, the frottola, and later the madrigal.
The invention of printing had an immense influence on the dissemination of musical styles, and along with the movement of the Franco-Flemish musicians, contributed to the establishment of the first truly international style in European music since the unification of Gregorian chant under Charlemagne. Composers of the middle generation of the Franco-Flemish school included Johannes Ockeghem, who wrote music in a contrapuntally complex style, with varied texture and an elaborate use of canonical devices; Jacob Obrecht, one of the most famous composers of masses in the last decades of the 15th century; and Josquin Desprez, probably the most famous composer in Europe before Palestrina, and who during the 16th century was renowned as one of the greatest artists in any form. Music in the generation after Josquin explored increasing complexity of counterpoint; possibly the most extreme expression is in the music of Nicolas Gombert, whose contrapuntal complexities influenced early instrumental music, such as the canzona and the ricercar, ultimately culminating in Baroque fugal forms.
Portrait of Renaissance composer Claudio Monteverdi in Venice, 1640, by Domenico Fetti.
By the middle of the 16th century, the international style began to break down, and several highly diverse stylistic trends became evident: a trend towards simplicity in sacred music, as directed by the Counter-Reformation Council of Trent, exemplified in the music of Giovanni Pierluigi da Palestrina; a trend towards complexity and chromaticism in the madrigal, which reached its extreme expression in the avant-garde style of the Ferrara School of Luzzaschi and the late century madrigalist Carlo Gesualdo; and the grandiose, sonorous music of the Venetian school, which used the architecture of the Basilica San Marco di Venezia to create antiphonal contrasts. The music of the Venetian school included the development of orchestration, ornamented instrumental parts, and continuo bass parts, all of which occurred within a span of several decades around 1600. Famous composers in Venice included the Gabrielis, Andrea and Giovanni, as well as Claudio Monteverdi, one of the most significant innovators at the end of the era.
Most parts of Europe had active and well-differentiated musical traditions by late in the century. In England, composers such as Thomas Tallis and William Byrd wrote sacred music in a style similar to that written on the continent, while an active group of home-grown madrigalists adapted the Italian form for English tastes: famous composers included Thomas Morley, John Wilbye and Thomas Weelkes. Spain developed instrumental and vocal styles of its own, with Tomás Luis de Victoria writing refined music similar to that of Palestrina, and numerous other composers writing for the new guitar. Germany cultivated polyphonic forms built on the Protestant chorales, which replaced the Roman Catholic Gregorian Chant as a basis for sacred music, and imported the style of the Venetian school (the appearance of which defined the start of the Baroque era there). In addition, German composers wrote enormous amounts of organ music, establishing the basis for the later Baroque organ style which culminated in the work of J.S. Bach. France developed a unique style of musical diction known as musique mesurée, used in secular chansons, with composers such as Guillaume Costeley and Claude Le Jeune prominent in the movement.
One of the most revolutionary movements in the era took place in Florence in the 1570s and 1580s, with the work of the Florentine Camerata, who ironically had a reactionary intent: dissatisfied with what they saw as contemporary musical depravities, their goal was to restore the music of the ancient Greeks. Chief among them were Vincenzo Galilei, the father of the astronomer, and Giulio Caccini. The fruits of their labors was a declamatory melodic singing style known as monody, and a corresponding staged dramatic form: a form known today as opera. The first operas, written around 1600, also define the end of the Renaissance and the beginning of the Baroque eras.
Music prior to 1600 was modal rather than tonal. Several theoretical developments late in the 16th century, such as the writings on scales on modes by Gioseffo Zarlino and Franchinus Gaffurius, led directly to the development of common practice tonality. The major and minor scales began to predominate over the old church modes, a feature which was at first most obvious at cadential points in compositions, but gradually became pervasive. Music after 1600, beginning with the tonal music of the Baroque era, is often referred to as belonging to the common practice period.
J. S. Bach
Main article: Baroque music
Instrumental music became dominant in the Baroque, and most major music forms were defined. Counterpoint was one of the major forces in both the instrumental and the vocal music of the period. Although a strong religious musical tradition continued, secular music came to the fore with the development of the sonata, the concerto, and the concerto grosso.
Much Baroque music was designed for improvisation, with a figured bass provided by the composer for the performer to flesh out and ornament. The keyboard, particularly the harpsichord, was a dominant instrument, and the beginnings of well temperament opened up the possibilities of playing in all keys and of modulation.
Much Baroque music featured a basso continuo consisting of a keyboard, either harpsichord or organ (sometimes a lute instead), and a bass instrument, such as a viola da gamba or bassoon. The three outstanding composers of the period were Johann Sebastian Bach, George Frideric Handel, and Antonio Vivaldi, but a host of other composers, some with huge output, were active in the period.
Classical music era
Main article: Classical period (music)
The music of the Classical period is characterized by homophonic texture, or an obvious melody with accompaniment. These new melodies tended to be almost voice-like and singable, allowing composers to actually replace singers as the focus of the music. Instrumental music therefore quickly replaced opera and other sung forms (such as oratorio) as the favorite of the musical audience and the epitome of great composition. However, opera did not disappear: during the classical period, several composers began producing operas for the general public in their native languages (previous operas were generally in Italian).
Wolfgang Amadeus Mozart's compositions characterized music of the classical era.
Along with the gradual displacement of the voice in favor of stronger, clearer melodies, counterpoint also typically became a decorative flourish, often used near the end of a work or for a single movement. In its stead, simple patterns, such as arpeggios and, in piano music, Alberti bass (an accompaniment with a repeated pattern typically in the left hand), were used to liven the movement of the piece without creating a confusing additional voice. The now-popular instrumental music was dominated by several well-defined forms: the sonata, the symphony, and the concerto, though none of these were specifically defined or taught at the time as they are now in music theory. All three derive from sonata form, which is used to refer both to the overlying form of an entire work and the structure of a single movement. Sonata form matured during the Classical era to become the primary form of instrumental compositions throughout the 19th century.
The early Classical period was ushered in by the Mannheim School, which included such composers as Johann Stamitz, Franz Xaver Richter, Carl Stamitz, and Christian Cannabich. It exerted a profound influence on Joseph Haydn and, through him, on all subsequent European music. Wolfgang Amadeus Mozart was the central figure of the Classical period, and his phenomenal and varied output in all genres defines our perception of the period. Ludwig van Beethoven and Franz Schubert were transitional composers, leading into the Romantic period, with their expansion of existing genres, forms, and even functions of music.
Main article: Romantic music
The title character from a 19th century performance of Wagner's opera Siegfried
In the Romantic period, music became more expressive and emotional, expanding to encompass literature, art, and philosophy. Famous early Romantic composers include Schumann, Chopin, Mendelssohn, Bellini, and Berlioz. The late 19th century saw a dramatic expansion in the size of the orchestra, and in the role of concerts as part of urban society. Famous composers from the second half of the century include Johann Strauss II, Brahms, Liszt, Tchaikovsky, Verdi, and Wagner. Between 1890 and 1910, a third wave of composers including Dvořák, Mahler, Richard Strauss, Puccini, and Sibelius built on the work of middle Romantic composers to create even more complex – and often much longer – musical works. A prominent mark of late 19th century music is its nationalistic fervor, as exemplified by such figures as Dvořák, Sibelius, and Grieg. Other prominent late-century figures include Saint-Saëns, Fauré, Rachmaninoff and Franck.
20th century music
Main article: 20th century music
The 20th Century saw a revolution in music listening as the radio gained popularity worldwide and new media and technologies were developed to record, capture, reproduce and distribute music. Because music was no longer limited to concerts and clubs, it became possible for music artists to quickly gain fame nationwide and sometimes worldwide. Conversely, audiences were able to be exposed to a wider range of music than ever before. Music performances became increasingly visual with the broadcast and recording of music videos and concerts. Music of all kinds also became increasingly portable. Headphones allowed people sitting next to each other to listen to entirely different performances or share the same performance.
20th Century music brought a new freedom and wide experimentation with new musical styles and forms that challenged the accepted rules of music of earlier periods. The invention of musical amplification and electronic instruments, especially the synthesizer, in the mid-20th century revolutionized popular music and accelerated the development of new forms of music.
See also: Contemporary classical music and History of sound recording
Main article: Classical music
Classical music is a broad, somewhat imprecise term, referring to music produced in, or rooted in the traditions of art, ecclesiastical and concert music. A music is classical if it includes some of the following features: a learned tradition, support from the church or government, or greater cultural capital. Classical music is also described as complex, lasting, transcendent, and abstract. In many cultures a classical tradition coexisted with traditional or popular music, occasionally for thousands of years, and with different levels of mutual borrowing with the parallel tradition.
Main article: Asian music
Asian music covers the music cultures of Arabia, Central Asia, East Asia, South Asia, and Southeast Asia.
See also: Gagaku, Gamelan, Music of Korea#Classical music, and Japanese music
Main article: Indian classical music
Purandara Dasa, the father of Carnatic music
Indian music is one of the oldest musical traditions in the world. The Indus Valley civilization left sculptures which show dance and musical instruments (some no longer in use), like the seven holed flute. Various types of stringed instruments and drums have been recovered from Harrappa and Mohenjo Daro by excavations carried out by Sir Mortimer Wheeler. The Rigveda has elements of present Indian music, with a musical notation to denote the metre and the mode of chanting. Early Indian musical tradition also speaks of three accents and vocal music known as "Samagan" (Sama meaning melody and Gan meaning to sing). The classical music of India includes two major traditions: the southern Carnatic music and the northern Hindustani classical music. India's classical music tradition is millennia long and remains important to the lives of Indians today as a source of religious inspiration, cultural expression, and entertainment.
Indian classical music (marga) is monophonic, and based around a single melody line or raga rhythmically organized through talas. Carnatic music is largely devotional; the majority of the songs are addressed to the Hindu deities. There are a lot of songs emphasising love and other social issues. In contrast to Carnatic music, Hindustani music was not only influenced by ancient Hindu musical traditions, Vedic philosophy and native Indian sounds but also by the Persian performance practices of the Afghan Mughals. The origins of Indian classical music can be found from the oldest of scriptures, part of the Hindu tradition, the Vedas. Samaveda, one of the four vedas describes music at length.
Main article: Chinese classical music
Chinese classical music is the traditional art or court music of China. It has a long history stretching for more than three thousand years. It has its own unique systems of musical notation, as well as musical tuning and pitch, musical instruments and styles or musical genres. Chinese music is pentatonic-diatonic, having a scale of twelve notes to an octave (5+7 = 12) as does European-influenced music.
See also: Arab classical music and Andalusian classical music
Ancient Iranians attached great importance to music and poetry, as they still do today. 7th century plate depicts Sassanid era musicians. The British Museum.
Main article: Persian music
Persian music is the music of Persia and Persian language countries: musiqi, the science and art of music, and muzik, the sound and performance of music (Sakata 1983). See: Music of Iran, Music of Afghanistan, Music of Tajikistan, Music of Uzbekistan.
Main article: Music of Greece
Greek written history extends far back into Ancient Greece, and was a major part of ancient Greek theater. In ancient Greece, mixed-gender choruses performed for entertainment, celebration and spiritual reasons. Instruments included the double-reed aulos and the plucked string instrument, the lyre, especially the special kind called a kithara. Music was an important part of education in ancient Greece, and boys were taught music starting at age six. Greek musical literacy created a flowering of development; Greek music theory included the Greek musical modes, eventually became the basis for Western religious music and classical music. Later, influences from the Roman Empire, Eastern Europe and the Byzantine Empire changed Greek music.
The connection of the music environment of Greece with that of the European Renaissance can be traced mainly in Crete until 1669, where its vivid urban music benefited from the creative assimilation with the venetian culture. The most important musical figure of Crete was Fragiskos Leondaritis (Francesco Leondariti or Londariti), organist and composer of sacred and secular music. Another key-figure of that era was Ieronimos o Tragodistis (Hieronymus the Chanter), a Cypriot student of Gios. Zarlino, who flourished around 1571 and, among others, proposed a system that enabled medieval Byzantine chant to correspont to the current contrapuntal practices via the cantus firmus paraphrase. In the 18th century art music was mainly cultivated in Ionian Islands, where from 1733 opera became the most distinctive music genre. This dynamic had as a consequence in 19th century, composers like Nikolaos Mantzaros (Niccolo Calichiopulo Manzaro, 1795 - 1872), Spyridon Xyndas (1812 - 1896), Pavlos Karrer (Paolo Carrer, 1829-1896) and Spyridon Samaras (1861 - 1917) to revitalize Greek art music. Instrumental music was also cultivated in 19th century by composers, such as Dionysios Rodotheatos from Ithaca and Dimitris Lialios from Patras, both of them adopting the -with the broader sense-wagnerian novelties in the style and aesthetics. In the first decade of 20th century, the social and historical conditions enabled the revisiting of nationalism in music by the composers of the so-called 'National School'.
The prevailing current for 'national music' was that of Manolis Kalomiris, which eventually became wider accepted compared to that of Georgios Lambelet. 'National School' succeeded in concentrating under its aesthetic 'credo' composer with different backgrounds, such as Marios Varvoglis, Petros Petrides, Dimetrios Levidis, Aimilios Riadis or Antiohos Evagellatos. On the other hand, modernism made also its appearance with Nikos Skalkottas, a student of Arn. Schoenberg, being the most notable (and at the same time, neglected) representative. Dimitris Mitropoulos also contributed to the music literature of Greek modernism before committing himself to conducting. After the Second World War modernism began to prevail, with considerable difficulty, mainly because of the social and political conditions of the postwar period in Greece, as well as the dominance of the 'National School'. However, composers like Mihalis Adamis, Thodoros Antoniou, Iannis Xenakis, Y.A. Papaioannou and Janni Christou succeeded in giving new perspectives to such aesthetic ways. In the maintime, a strong current of populism related to the political conditions especially after 1949, as well as to the brief change of taste of the urban class and the initiation of the touristic enterprise in 1960s, enabled the gradual promotion of the popular song as the prevalent form, which the last decades has regretably become synonymous to 'Greek music', as a whole.
Should of made this into a hub:) You have more than enough information for one!
It could be a good hub--IF it hadn't been copied and pasted directly from WIKIpedia.
This is a good beginning to what could be an interesting hub.
by Blake Atkinson3 years ago
Classical meaning baroque, classical, romantic...
by James Kenny5 years ago
Do you have a favourite composer, or a favourite piece of music? Feel free to share. My favourite overall composer is Bach, but my favourite piece has to be this from Ralph Vaughan...
by Ari Lamstein5 years ago
What role do you think classical music will play in the 21st century?
by hinazille5 years ago
I manage my husband as a producer out here in the Caribbean and he makes a lot of melodious instrumentals... would you listen to instrumentals or do you need vocals on a song for you to enjoy it?
by 6 String Veteran6 years ago
Bach did it. So did Beethoven and Mozart, and undoubtably scores of other Classical musicians. They knew it was a natural outpouring of all the hours spent painstakingly honing their craft...of striving to, and...
by Joyonto3 months ago
Hi Hubbers,I think the English is okay. Then what is the problem? why I facing trouble to clear the QAP frequently of this article?I'd like some help with passing the Quality Assessment Process. Will you please give...
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