 By placing his band and performances in space and extraterrestrial environments Sun Ra built a world that was his own view of how the African diaspora connected.Many of Sun Ra's innovations remain important and groundbreaking.Ra was one of the first jazz leaders to use two double basses, to employ the electric bass, to play electronic keyboards, to use extensive percussion and polyrhythms, to explore modal music and to pioneer solo and group freeform improvisations.