Looking for an alternative to Pitchfork? The Silver Room (at Evergreen and Milwaukee) is hosting its 6th Annual Sound System Block Party this Saturday from noon to 10 PM. Performers include Leonard Part Sixx, Joe Bryl, DJ Demchuk, and stand-up comedian Sonny of Jokes and Notes. For the kids there’ll be a mural installation, a paper art making workshop, and face painting from noon to 3 PM. Call 773-278-7130 for more info.