MUSIC: Sugary yet melancholic Scottish indie-poppers Camera Obscura, lead by angelic crooner Tracyanne Campbell, will entrance the Fillmore tonight. Lovely, vintage cabaret-inspired, all-female trio Agent Ribbons opens.

9 p.m. // The Fillmore (1805 Geary Blvd) // $21.50

LIT: Award-winning "cultural observer" Hal Niedzviecki explores the way "Peep Culture" is replacing pop culture, radically changing not just the entertainment landscape, but also the firmaments of our culture and society in his latest book The Peep Diaries: How We're Learning to Love Watching Ourselves and Our Neighbors. Tonight, Niedzviecki will discuss community and peep culture with Gravity Goldberg, Eric Zassenhaus, and other guests.

7:30 p.m. // Booksmith (1644 Haight St) // free