Brown began his career singing harmony in the 1960's on tracks produced by Prince Buster, Sir Coxsone Dodd, Leslie Kong, Derrick Herriot. While never recognized as the preeminent dub musician in Jamaica, melodica toting Glen Brown ( aka Glenmore Brown )was a prodigious studio musician particularly in the 1970's when he worked with artists like King Tubby, Soul Syndicate, The In Crowd, U-Roy,Tommy McCook, Welton Irie,Ken Boothe, Roots Radics and Big Youth.

Among the artists heard on his numerous studio rhythm cuts are famed reggae and dub players like Ansel Collins, Peter Tosh, Carlton Barrett and Bongo Herman.His early outputs of rhythm tracks have been compiled and reissued on the ROIR album, "The Way To Mt.

Zion" spanning 1969-1975. The pick of his later co-productions with King Tubby spanning 1973-79 were compiled on the 1996 Blood & Fire collection, "Termination Dub". Another batch of his older works is collected on the recent 2 edition set of the "Rhythm Master" series released through Cooking Vinyl.

Currently residing in New York, Brown apparently remains active as a producer and songsmith, in 2003 he worked with Yabby You.