You can get audio and music to your iPhone through iTunes in the Cloud. In Music, all the music that you bought earlier through the iTunes Store appear in it when you sign-in into the store.
iTunes Match is a paid service which allows storing of music library in the iCloud. To control music playback, you can use Voice Control or Sri. Sri is available in iPhone 4S or its later versions.
If you want to organize the music then you can create playlists. In order to make a new playlist “tap” New Playlist on the top of the list, now you can enter a title.
You can browse music on your iPhone by artist, playlist and other categories. For browsing the other categories just “tap” More, now “tap” on a song to play.
iTunes Store allows an iPhone user to add TV shows, movies and music. For using an iTunes Store you need to have an Apple ID and a working internet connection.