That other definition is pure bullshit. A black guitar, a person that is of African or Black race/origin. Jimi Hendrix was the best guitarist period. He was black and influnced alot of guitarist of all races. Usually they are Afropunk
Manntis
Jimi Hendrix Experience
Suicidal Tendencies
Sepultura
The Sins
Bad Brains
Fish Bone
God Forbid
(possibly)Seether
24/7 spyz
Living Colour Lenny Kravitz
(If you think they don't exist your a freakin' dumb@$$!!!)