[1][2][3] Born in London on 12 October 1924, he was one of five children of Maria (née Rossi) and Frank Gregori, who was the leader of a dance band that played at the Italian restaurant Quaglino's.
After a brief stint as a violinist with his father's band, by the late 1940s he was performing by himself and working as a staff arranger with Philips Records.
He was the BBC Radio Orchestra’s principal guest conductor for 17 years and continued to be recognised as one of the best and most innovative orchestral composers and arrangers of his time.
He won an Ivor Novello Award in 1976 for "Introduction and Air to a Stained Glass Window".
[4] He scored several films and TV shows, including Gaolbreak (1962), Strongroom (1962), Serena (1962), Impact (1963), Smokescreen (1964), The Night Caller (1965) and the television series Hark at Barker (1969-1970) and Don't Drink the Water (1974).