sentences:  In the dark days of late 1939 - early 1940, Sandy's original signature tune, "Happy Days Are Here Again" was decidedly inappropriate to the times and he replaced it with his own composition, "I'll Play To You", a slow waltz which he used throughout the rest of his career (written with Harry S Pepper, a BBC producer).He played the opening music to the radio programme called London After Dark, on the theatre organ in St. George's Hall, London, broadcast 24 August 1940.In 1942, his habits of playing on the theatre organ and tiring the British public were mocked by Tommy Handley in an episode of "It's That Man Again", in which Handley said