I can't do a list in preferential order so I'll just do a list randomly comprised of my all time favourite tracks.

Metallica + Synphony - Nothing Elese Matters
Oasis - Live Forever
Noel Gallagher - Slide Away
Rise Against - Paoer Wings
Cold - Suffocate
Lost Prophets - Last Train Home
Jeff Buckley - Hallelujah
Canibus - Poet Laureate
Eminem - If I Had
Linkin Park - In The End