Written by Mrs Bach: Broken Silence is a 2018 English-language Documentary Drama motion picture. An investigation into whether some of Johann Sebastian Bach's most famous works might actually have been composed by his second wife, Anna Magdalena. Accomplished academic, musician and forensic document examiner, Professor Martin Jarvis, comes up against significant resistance from the Bach orthodoxy when he presents his evidence supporting this theory. Written by Evolutionary Films. Written by mrs bach: broken silence stars Sally Beamish, Yannik Borzynski, Heidi Elfriede, David Ferns, Martin Jarvis, Clare Kaufman and Paige Redmond. It was released on 8th October 2018.