The L.A. FireAid concert is getting massive contributions from the biggest names in the music industry ... but now the event is getting a financial boost from Clippers owner Steve Ballmer, who will match every donation during the event livestream!!
Event organizers made the announcement Tuesday morning ... saying the former Microsoft CEO -- who has a net worth of $129.4 billion -- and his wife, Connie, will help double the impact of the benefit.
