sentences:  To make a living Harold Samuel taught (he was, for example, the piano teacher of the British composers Benjamin Britten and Elizabeth Poston), did vocal coaching and became a sought-after accompanist (performing especially with violinist Isolde Menges).His solo career, however, was at a standstill until 1919 when he played an all-Bach programme in London.He soon found a ready audience for large amounts of Bach's keyboard works in their original form.