[1] At age ten, Stewart played alto sax solos from saxophonists Charlie Parker, Coleman Hawkins, and Wardell Gray that had been transcribed by his father.

[2] "By his early teens, Stewart had already found performance experience with such artists as Pat LaBarbera and Bob Mover.

"[1] By 18 he "was leading a quartet in Toronto, including for a regular gig at C'est What café and pub"; and he moved to New York City when he was 19.

[3] For his 2007 recording Young at Heart, Stewart chose compositions that included music by Elmo Hope and Neal Hefti, as well as originals.

[2] His sound is "lean and sinewy, yet flush with lyricism, humor and rhythmic possibilities, much like tenor icons Dexter Gordon and Sonny Rollins, to whom Stewart is frequently compared".