. . . . . "Zappa was also noted as a spotter of talent and conductor of extremely stringent auditions, his various groups including such musicians as Adrian Belew, Terry Bozzio, Aynsley Dunbar, Bruce Fowler, Lowell George, Jean-Luc Ponty, Ruth Underwood, George Duke, Vinnie Colaiuta, Mike Keneally and Steve Vai." . . . . .