Members of more than 30 San Francisco Bay Area bands will mix and match to work through cover versions of tunes by the likes of Foghat and Nine Inch Nails for a benefit Sunday at Slim's in San Francisco. Set to raise money for the Bright Moments charity, which gives underprivileged kids a chance to learn and play music, the show will feature members of Creeper Lagoon, Crumb, Blue Sky Roadster, MK Ultra and Amateur Night.