1) B4 is a group playing improvised music. It has been found in 1998 as an ethno - ambient duo. Through the years it transformed to actual team. Also music turned more to the psychedelic - noise - minimalistic - free - acid music.
2) B4 is also a nu-skool breakbeat DJ currently residing in the UK.
3) A project of progressive trance producer Laurent Veronnez (aka Airwave), together with Marnik Braeckeveld.