California - Joni Mitchell
20th Century Man - The Kinks
Lithium - Nirvana
Ghosts Upon the Road - Eric Anderson
Rockin' in the Free World - Neil Young w/ Pearl Jam

David, like you this changes almost daily...

a "backup 5 favorites":

Devil in Disguise - The Flying Burrito Brothers
Man in the Long Black Coat - Dylan
Isolation - John Lennon Plastic Ono Band
Key to the Highway - Eric Clapton (in his old messed up days)
Essence - Lucinda Williams