From Verified Handles
John Mayer; b. Oct. 28, 1930, Calcutta, India; d. Mar. 9, 2004, U.K.; violinist, composer, Indo-jazz fusion pioneer
John Mayer (28 October 1930 – 9 March 2004) was an Indian composer known primarily for his fusions of jazz with Indian music in the British-based group Indo-Jazz Fusions with the Jamaican-born saxophonist Joe Harriott.
Mayer was born in Calcutta, Bengal, British India, to an Anglo-Indian father and Tamil mother. from Wikipedia
These are provided for reference and have been verified to be accurate.