sentences:  Making a living as a pianist evolved into comedy when he got laughs by playing wrong notes and complaining to the audience.He made his television debut on the talent show "Opportunity Knocks" in 1967 and became a prominent comic on British television for the rest of his life.His characteristic routines featured Roy Barraclough and Dawson as elderly women, Cissie Braithwaite and Ada Shufflebotham.