Might as well jump on the itunes bandwagon...
Pete Yorn - Just Another
Guster - Amsterdam
Boston - More than a Feeling
U2 - Miracle Drug (Inside Joke: Conor, this is INCREDIBLY coincedential)
Articolo 31 - Domani Smetto
The Flaming Lips - Do you Realize
Nickel Creek - Ode to a Butterfly
The GooGoo Dolls - What a Scene
The Boondock Saints Theme
Oasis - Champagne Supernova
A - Starbucks
The Smiths - The Boy with the Thorn in his side
Emir Kusturica & the No Smoking Orchestra - Corfu (

...I forgot I had this)
Jimmy Eat World - For Me This is Heaven
Fenix TX - All My Fault
Metallica - Nothing Else Matters
Silverchair - Love of your Life
Goldfinger - Carry On
Gareth Gates - Unchained Melody
Stabbing Westward - I Remember
Edwin McCain - I'll Be
Jon Seceda - Window to my Heart
Klaus Badelt - Black Pearl (from Pirates of the Carribean)
Pearl Jam - I Am Mine
Tsunami Bomb - Not Forever