Derek Thomas Scott was a British film, television and stage musical director, film and television composer and musician. He started his career as a double act with both Terry-Thomas and Tony Hancock before becoming a composer for film and television and "one of Britain's best known light entertainment musical directors."
Scott is best known for being the music director for ITV's The Muppet Show composing many of The Muppet Show songs and being the sound of the piano playing dog Rowlf.