Festivus: Although we see no mention of the traditional "Airing of Grievances" or the post-dinner "Feats of Strength" battle, we can't imagine any proper Festivus celebration without them. Still, whether or not tonight's party follows strict Seinfeldian doctrine, a good time will be had by all at Green Aid's holiday bash. Mutaytor performs at this Black Rock City-ish night of fun. Starts at 7:30 p.m. at SomArts Cultural Center; $70. Dub Mission: Renowned for......

-- "Dub Mission": Resident DJs Sep and Vinnie Esparza welcome Teleseen to their weekly dub-dance club night in the Mission. 9 p.m.-2 a.m. at Elbo Room, 647 Valencia; $5. -- The Way Light Strikes Filled Mason Jars: This winner of the SF Fringe Festival has famous writers visiting a playwright on the precipice of completing his final work. Film starts at 7 p.m. (with free wine and cheese afterwards. Hic!) at the Traveling Jewish......

This is gonna be a busy weekend... Skip the after-work bar and get some activist cred by heading down to the Powell Street cable car turnaround to rally in support of Cindy Sheehan. Or celebrate the twelfth anniversary of the zinesters at the Infoshop in Berkeley after Critical Mass. And the late-night progressive can get funky at HipHop4Change at Studio Z. SFist Jake and friends Izum do their World Beat thang tomorrow afternoon at......

What makes a DJ a good DJ? Normally this is one of those subjective/ relative sorts of questions. Your answer depends on what kind of music you like. What sort of clubs you go to. Mush stuff like that. For those of you seeking a little more objectivity in your lives there is another way of answering questions. DJ's who win awards and stuff must be good, right? Just say yes. Now that we think......