When the iconoclastic choreographer reinvented herself as a film-maker at the turn of the 70s, she opened up a new world of possibilities for her artWhen Yvonne Rainer made the switch from choreographer to film-maker she had no intention of abandoning her role as a provocateur. In her first feature, Lives of Performers (1972), she was a briskly quizzical presence, issuing instructions to the cast and questioning them…
