the pixies arctic monkeys bright eyes the fratellis the killers franz ferdinand  i know they're on a major label, but they are definitely indie rock
"originally a term for the independent/unsigned indie rock scene, now is a sub-genre of alternative rock
"the pixies arctic monkeys bright eyes the fratellis the killers franz ferdinand  i know they're on a major label, but they are definitely indie rock" What is the definition of "indie rock"?