Bolela lihlopha tse ling tse tummeng tsa rock tse tsoang San Francisco Bay Area.
Lihlopha tse ngata tse tummeng tsa'mino oa rock li tsoa sebakeng sa Kou ea San Francisco. Lihlopha tsena li akarelletsa Grateful Dead, Journey, The Jefferson Airplane, Metallica, Santana le Green Day.