Pauline Oliveros was a pioneer of electronic music in the 1960s. This is Alien Bog / Beautiful Soop from 1967 (Spotify link).

Kinoautomat (1967), the first interactive film. Tyneside Cinema, 5 March 8pm.

Mark Thomas: Download this card, warning police that if a stop and search is intrusive or malicious, you will take action | Comment is free | guardian.co.uk