Way to hard for me to pick just one, I am putting them in order from my least fav to my fav
Grateful Dead
The Doors
ZZ Top
Fleetwood Mac
Eagles
The Who
Moody Blues
Foreigner
Pink Floyd
AC/DC
Led Zepplin
Rolling Stones
Beach Boys
Def Leppard
Aerosmith
Journey
Van Halen
U 2
Beatles
Of all time? Derek And The Dominoes.
Currently? Third Day
VH of course....
but Aerosmith is up there......
Sammy Hagar and the Wabos?
Chickenfoot?
Guns N Roses?
Metallica?
Alice in Chains?