how do i transfer my music from iPhone to iMac air

Hey dkat9903,

Here is an article that addresses this question for you:

iTunes Store: Transfer purchases from your iOS device or iPod to a computer

http://support.apple.com/kb/ht1848

Thanks for using the Apple Support Communities. Have a good one!

-Braden

You're welcome, dkat9903! Thanks for coming to the Apple Support Communities!

Cheers,

Braden