Watch the Tuesday's Just as Bad online guitar lesson by Jeff McErlain from 50 Eclectic Blues Licks You MUST Know
Okay, this is basically Stormy Monday. You must know how to play this tune! It is a blues standard with some very cool changes and voicings you can apply to most any blues. If you don't know the Allman Bros. version by all means check it out. It is on the great Live at The Filmore East album which is a guitar essential.
Also check out the original by T Bone Walker, the Allmans basically copied what he was doing!