Peter Schickele, renowned for creating the satirical composer P.D.Q. Bach and the beloved radio program “Schickele Mix,” will be honored with an all-star tribute at Maverick this Saturday. The day begins with a free family concert from 11am to noon, featuring Grammy-nominated Elizabeth Mitchell, the M Shanghai String Band, pianist Ray Bailey, and Schickele’s daughter, Karla Schickele. The evening concert at 6pm highlights Schickele’s versatility with performances by the Callisto String Quartet, M Shanghai String Band, and surprise guests, including bluegrass and intimate family songs by Karla, Nighttrain, and Emmet Schickele, and P.D.Q. Bach vocal pieces by mezzo Michele Eaton and tenors Wesley Chinn and Greg Purnhagen.