Thursday, March 20 Cosa Brava - Fred Frith, Zeena Parkins, Carla Kihlstedt, Matthias Bossi 8pm, $8-10 -- 21 Grand 416 25th St. Oakland, CA 94612 (510) 444-7263 http://www.21grand.org Two sets of all star action by this new group featuring Frith on guitar, Parkins, electric harp, Kihlstedt - violin, and Bossi on percussion.