The best guide to the arts is printed in the "Datebook" section and the "96 Hours" section of the San Francisco Chronicle (www.sfgate.com). Also check out the city's free alternative weeklies, including SF Weekly (sfweekly.com) and the San Francisco Bay Guardian (sfbg.com).
Online, SF Station (sfstation.com) has a frequently updated arts and nightlife calendar. San Francisco Arts Monthly (sfarts.org), which is published at the end of the month, has arts features and events listings, plus a helpful "Visiting San Francisco?" section. For offbeat, emerging-artist performances, consult CounterPULSE (counterpulse.org).