Who's Who in Entertainment lists Harrison as being born in New York on April 25, 1917;[1] the liner notes from his second LP, released in 1957,[2] describe him as "thirtyish".
[3] Harrison's first significant exposure as a professional musician came with Teddy Powell's band.
[6] He led a big band on a tour of South America prior to recording with his trio.
[2] Critic John S. Wilson described the performances as "a lightly swinging, unencumbered workout".
[8] Around 1960, Harrison led a trio performing at the Park Central Hotel in New York.