In his second-to-final hosting of “Sing Out,” Larry Kelp presents two hours of music captured live over the past 32 years on “Sing Out.” Featured musicians who played and sang live in the KPFA performance studio include Vijay Iyer, Roger McGuinn, Patricia Barber, Tin Hat Trio, Pharoah Sanders, Iris DeMent, Kenny Barron, Kayhan Kalhor, Vieux Farka Toure, Grupo Raiz, Los Cenzontles and many more. This is a once-only broadcast of performances not available anywhere else.