Ghosty, Definitely check out the Grateful Dead. They are the most amazing band ever.
If you've never listened to them, start out with some studio CDs like
-Terrapin Station
-American Beauty
-Shakedown Street

The best Dead however is on live CDs
Check out:

-Europe 72
-Without a Net
-Live at the fillmore April 71
-Closing on Winterland

You won't regret it.

I miss Jerry also guys, check out my sig.