sjzsf29_mariachi_los_toritos_cmk_wagner-1270691.jpg Photo courtesy of San Jose Jazz. Friday, August 9, 2019–Sunday, August 11, 2019 Free admission. Next Gen Stage returns to SJMA for the 30th Annual 2019 Summer Fest presented by San Jose Jazz. Check out a full lineup of the best aspiring young jazz musicians from across the region. Next Gen Stage admission is free. For more information visit Summerfest.SanJoseJazz.org.