Muir Mathieson
Born: 24th January 1911, Stirling, Scotland
Died: 2nd August 1975, Oxford, England
Nationality: Scottish
James Muir Mathieson, OBE was a Scottish conductor and composer. Mathieson was almost always described as a "Musical Director" on many British films.
Read more at https://en.wikipedia.org/wiki/Muir_Mathieson