Rock historian and author Richie Unterberger presents film clips of Irish rock of the 1960s and 1970s at the Eureka Valley Branch of the San Francisco Library. Featured performers will include Them, Van Morrison, Rory Gallagher, Clannad, Thin Lizzy, the Undertones, U2, and numerous others, including both hitmakers and obscure artists who never found much of an international audience.