Back and Forth (film)

A cut to a classroom interior shows a pan continuing the same movement along a fixed arc, both endpoints of which are signaled by the sound of the camera hitting a wooden stop arm.

The final section superimposes previous pan and tilt sequences (some reversed or shown upside-down), intercut with black and white footage.

Appearing in the film are: Allan Kaprow, Emmett Williams, Max Neuhaus, Terri Marsala, Donna Aughey, Joyce Wieland, Luis Camnitzer, George Murphy, Susan, Ay-O, Dr. Gordon, Liba Bayrak, Annie Scotty, Mary, Mac, students from the H.E.P.

Nearby were Nancy Graves, Richard Serra, John Giorno, Paul Ide, Alison Knowles, Jud Yalkut and many others—film stock was Ektachrome 7257, camera: Bolex H16 with Kinotar 12.7 lens.

Seeming to thrust the image outward off the screen, these clap effects are timed like a metronome, sometimes occurring with torrential frequency.” Gene Youngblood, in the January 2–8, 1970, edition of the Los Angeles Free Press, regarded Back and Forth as an expansion of cinema's narrative parameters: ".