Most recently:

Rise against
incubus
bill withers
dwight yoakam
the eagles
justin nozuka
jason mraz
the fugeez(only "killing me softly")
billy talent
ryan adams
amos lee
jonny lang
natasha bedingfield
green day
dire straits
goldfinger
me first and the gimmie gimmies
dropkick murphys(gotta rep scottland, Yes I do have a red beard and have filed for a cadet matriculation from the court of the lord lyon.)
and thanks to this thread ratatat

I have a 30 minute commute to work...