CLUB: Digital rights defenders Electronic Frontier Foundation, an organization "working to protect fundamental rights regardless of technology," celebrates it's 18th birthday with a party featuring DJ Spooky, Adrian & Mysterious D, and Kid Kameleon.

8 p.m. // DNA Lounge (11th Street) // $25 donation

FILM: Treachery abounds when Orson Wells' Touch of Evil (1958) and a blind Audrey Hepburn in Wait Until Dark (1967) screen in the Castro.

7 p.m. (Touch of Evil) and 9:10 p.m. (Wait Until Dark) // Castro Theatre (Castro & Market) // $10.50 (each)

MUSIC: International Orange Chorale performs this evening at Grace Cathedral with the Yale Glee Club. Yale’s crooners will sing a concert including music commissioned by the Glee Club by Pulitzer Prize and Grammy Award winning composer Ned Rorem. IOCSF will sing a set of their own original pieces including Georgia Stitt's "De Profundis" (an IOCSF commission from 2004), Randall Thompson’s " Alleluia," and Gerald Finzi’s "God Is Gone Up".

7:30 p.m. // Grace Cathedral (1110 California) // $10