May 4 .
Admission is free.
May 6 . Venue is at north end of Cambria on Highway 1. Features music of Rodgers and Hammerstein. THE ROY MAIN JAZZ TRIO , featuring Cal Poly trombone instructor Roy Main, guitarist Jamison Swanigan, and bassist Ken Hustad, performs at 11 a.m. May 10 in the Davidson Music Building, Room 218, Cal Poly.