I did this like 3 years ago, let's see what I have now.
A - Alice In Chains
B - The Beatles/Beach Boys
C - Chiodos
D - Dr. Dre
E - Eminem
F - Family Force 5
G - Gym Class Heroes
H - Head Automatica
I - Iggy Pop & The Stooges
J - JOURNEY
K - Killswitch Engage/Kanye
L - Led Zeppelin...