This is the best I could do and some of these aren't necessarily a favorite artist of all time lol they are just the best I could think of at the time for that letter
Asher Roth
Blink 182
Cake
Disturbed
Eazy-E
Foo Fighters
Gorillaz
Hed PE
Incubus
Jet
Killers, The
Lonely Island, The
My Chemical Romance
NIN
Offspring, The
Presidents of The United
Queens of the Stoneage
Rick Ross
Soundgarden
Tech N9ne
Used, The
V
Weezer
X
Y
ZZ Top