CABARET: It's the fourth anniversary of the monthly Bijou, an eclectic cabaret featuring live singers, both new and established, both drag and non-drag. Tonight's line-up features SanFranSaxCo, a saxophone sextet, special guests Summer Clearance, Dennis Sanchez and Anna Warhola, and emcee Trauma Flinstone searches for a drag daughter for Mother's Day.

7 p.m. // Martuni's (4 Valencia St)

GHOST WALK: Journey through the local hauntings and learn the macabre history of the Haight-Ashbury district on the Haunted Haight Walking Tour. The host is a long time resident, ghost hunter, ghost historian, and founder of the San Francisco Ghost Society.

7 p.m. // Starts at Coffee to the People (1206 Masonic Ave) // $20

PERFORMANCE: Anatomy of a Cloud examines the continually shifting internal landscape of a mind in the midst of Alzheimer's Disease. Inspired by the personal family experiences of co-directors/performers Sarah Day and Daniel Bear Davis, this dance-theatre piece portrays the elements of identity and the process of losing them.

8 p.m. // The Garage (975 Howard St) // $15-20