Golden Gate Park Music Concourse  in  San Francisco , where the group actually celebrated their own 40th Anniversary, and last played with them at the  Greek Theatre  of Los Angeles. [2] [4] [5] http://www.youtube.com/v/msC41SHV1xA?fs=1&hl=en_US Other credits Regalado also toured with  Aretha Franklin  in charge of her percussion section, was a drummer for