Of the $16.5 billion in music revenues, $5.6 billion came from digital downloads. Of those, $4.3 billion came from iTunes, of which the music labels received $3.4 billion. This accounts for 60 percent of digital music revenues for 2012.
Asymco estimates that iTunes music revenue is growing annually at about 10 percent, while App Store revenue is growing at 50 percent. Video and other revenue have seen the biggest gain at 90 percent.