Sound system operation, design. Sound engineer, Avalon Ballroom, Family Dog Productions; head sound technician, Great American Music Hall, Stanford Jazz Workshop, Dick Bright’s SRO Band; mixed live shows for Bill Evans Trio, Stephane Grappelli, Count Basie Orchestra, Sarah Vaughan, Van Morrison, Astor Piazzolla, Duke Ellington Orchestra, Oregon; engineered recordings by Ed Blackwell, Betty Carter, Tito Puente, Woody Herman, Hampton Hawes, Carmen McRae.