PAPA, Courtesy: Sam Monkarsh. Los Angeles duo PAPA is exasperated with the current state of alternative rock radio. PAPA, Hot Flash Heat Wave 8 p.m., Dec. 1 The Chapel Tickets: $20-$70. “It sounds like it’s written by a producer and heavily sampled,” frontman-drummer Darren Weiss says from home. Two…

PAPA (Darren Weiss, left) performs at Outside Lands at Golden Gate Park in San Francisco on Aug. 10, 2012. Even before the future of critically praised San Francisco indie rock band Girls was thrown into uncertainty, when singer Christopher Owens quit last month, drummer Darren Weiss knew that his…