Free Jazz is an avant-garde sub-genre of jazz. This is jazz but with no strict structure or rules. The music is very improvised and is characterised by very random drumming, very improvisational.
Bob: That drummer's crap, he's hardly got rythm to be fair.
Dave: No, dude, this is free jazz, anything goes.
Dave: No, dude, this is free jazz, anything goes.
by Samwell September 13, 2005