I have lots of favorites, but here are some of them.

Shine On You Crazy Diamond - Pink Floyd
Wish You Were Here - Pink Floyd
Brain Damage/Eclipse - Pink Floyd
The Rain Song - Led Zeppelin
Celebration Day - Led Zeppelin
Watching The Wheels - John Lennon
Jealous Guy - John Lennon
Across The Universe - The Beatles
Nice Dream - Radiohead
The Bends - Radiohead
Powderfinger - Neil Young
Harvest Moon - Neil Young
Closer To The Heart - Rush
Limelight - Rush
One - U2
With Or Without You - U2