I'm guessing they probably just used pentatonic for the solo in the last chorus or whatever you would call it, I'm not positive though considering I'm really bad at theory. If anybody could give me a little help with finding what some scale options are I'd appreciate it. Thanks.
The Gear:
Fender John Mayer Sig. Strat
Hughes & Kettner Edition Blue 60
Dunlop Crybaby
Ibanez Tubescreamer
Damn right, I've got the blues.