The Tucson International Mariachi Conference Mariachi Mass, with Mariachi Los Camperos de Nati Cano. • Where: St. Augustine Cathedral, 192 S. Stone Ave. • When: 9 a.m. April 26.

What: The Gran Festival de Folklor y Mariachi. ... Concert with Mariachi Vargas at 7 p.m. Tickets begin at $20. Tickets available at Baca Upholstery, 2100 S. Fourth Ave., or at the show.