Can you guess which bands the letters are from?

Some of them, sure

The Doors
KIZZ
Led Zeppelin
Metallica
Ozzy
Queen
Van Halen
White Snake
ZZ Top

B - Black Sabbath
G - G'N'R
I - Iron Maiden
N - Nazareth

The U is UFO R is Rush Y is Yes X is Xentrix O is Ozzy N is Nazareth F Fleetwood Mac E Eagles of Death Metal S Scorpions W Whitesnake V Van Halen L Lef Zep I is Maiden Z I ZZ Top P Pink Floyd D The Doors G GnR Q Queen M Metallica K Kiss A AC/DC B Black Sabbath C Cult J Judas Priest H Hawkwind

AC/DC, Black Sabbath, CCR, THE DOORS, Eagles, Fleetwood Mac, Guns N Roses, Iron Maiden, Judas Priest, Kiss, Led Zeppelin, Metallica, Nazareth, Ozzy Osborne, Pink Floyd, Queen, Rush, Scorpions, Testament, Uriah Heap, Van Halen, WHITESNAKE, ZZ Top.

Doors
AC/DC

Great post, btw

V=Van Halen

H is Hendrix

A= AC\DC

Q =Queen