I can't believe I missed this thread until now.
For when I want to wallow in it:
#1= Anything blues, Robert Johnson to SRV
Allman Brothers - Whipping Post
Dreams
Bob Marley - No Woman, No Cry
Three Little Birds
Darrell Scott - There Ain't No Easy Way
Walk Beside Me
Led Zep - Going to California
Hendrix - Castles Made of Sand
Here My Train A' Comin' (Acoustic)
James Taylor - Fire and Rain
When I have to "come out of it" immediately:
James Gang - Funk #49
Dave Matthew's Band - The Best of What's Around
Jimi Thing
CCR - Lookin' Out My Backdoor
Allman Brothers - You Don't Love Me
Southbound
Jimmy Buffet - Darn near anything.
Man, this just scratches the surface, but these are the songs that immediately come to mind. I'll have to stop myself now or this could go on forever.
Swoop