MUSIC: San Francisco's favorite crooner, Utah-born singer/songwriter Spencer Day, performs tonight at the one of the city's newest music venues, the Rrazz Room located at Hotel Nikko. COMEDY: Let hilarity wash over you with the comedic stylings of Arj Barker, Kristopher Tinkle ("Tinkle" = hee!), and Matt Morales. They hit the mic tonight at Punchline. *FILM: SF Indiefest is going on, folks. Tonight check out La Trinchera Luminosa del Presidente Gonzalo, 7:15 p.m. at......

The acclaimed French-trained Guinean contemporary circus troupe Circus Baobab makes its US debut as part of the SF Int'l Arts Festival, performing The Jumping Drum, a fable about globalization and family, complete with acrobatics, stilt-walking, and African music. 5:30 p.m., $30, Project Artaud Theater (450 Alabama, x Mariposa). They're here through Sunday, and you may find it intriguing to learn that tomorrow's performance is in French. That's them on the YouTube above. Other events:......

Pirate Cat Radio benefit concert at the Makeout Room (3225 22nd St. between Mission & Valencia) with Lisa Dewey, Bettie Black and The May Fire. Pirate Cat needs money to buy new gear and more server space so they can continue to broadcast and webcast. (9pm) At CCA in SF (1111 8th St. near 16th and Wisconsin) there are three separate art openings tonight. Capp Street Project presents an installation by Michael Stevenson examining......

Tech updates from a busy week in the valley....