Fallon played violin and studied with London Symphony Orchestra founder Bruce Sharpe[2] before making double-bass his primary instrument in 1935[3] when he was 20 years old.
[4] During World War II he played in a dance band in the Royal Canadian Air Force, and settled in Britain after his discharge.
In 1947 he played with Ronnie Scott and Tommy Whittle at the Melody Maker/Columbia Jazz Rally, and following this worked with Jack Jackson (1947), George Shearing (1948), Duke Ellington (1948),[1] and Django Reinhardt (1949).
Fallon worked in the 1950s as an accompanist to Mary Lou Williams, Sarah Vaughan, and Lena Horne, and also served as a sideman in the ensembles of Humphrey Lyttelton, Kenny Baker, and Ralph Sharon.
Cana booked primarily jazz artists in its early stages but expanded to rock acts in the 1960s, including The Beatles and The Rolling Stones.