Veteran scene trumpeter Willie Waldman has played with a whos who of alt-rock and jam icons, including Banyan, Rob Wasserman and Perry Farrell. His most recent collaboration took place near his California home when moe. performed at West Hollywood, CAs House of Blues Sunday. Waldman emerged at the end of moe,s first set and lent his horn might to a version of the groups Big World. moe. will appear at San Franciscos Great American Music Hall. tonight.