More Summerfest 10 p.m. Headliners

With its crunchy alt-rock guitars and its “leave me alone and let me get stoned” mentality, Cracker’s best-known hit, “Low,” is pure ’90s, but the rest of the band’s catalogue doesn’t date so easily. Like frontman David Lowery’s other band, Camper Van Beethoven, Cracker continues to record spry rock albums spiked...