Ever since its opening in 1951, this shop has been building one of San Francisco's largest collection of 78-inch vinyl, not to mention a respectable stock of new and used CDs, LPs, 45s and tapes. Though the selection is as eclectic as any in the city, the store specializes in early country, bluegrass, rockabilly and jazz. Finally, if you do not find what you want in the racks, Jack's can locate...