DownBeat magazine characterized him as "a pianist of longstanding grace and bountiful talent, with an ability to adapt to nearly any historical style, from stride to bop to modernist sound-painting.

[6] His older brother, Arthur, owned a jazz record collection and introduced him to the music of Bix Beiderbecke and Art Tatum.

[7] Hyman was trained classically by his mother's brother, the concert pianist Anton Rovinsky, who premiered The Celestial Railroad by Charles Ives in 1928.

[10] While there, Hyman won a piano competition, for which the prize was 12 free lessons with swing-era pianist Teddy Wilson.

[15] As a studio musician in the 1950s and early 1960s, Hyman performed with Tony Bennett, Perry Como, Guy Mitchell, Joni James, Marvin Rainwater, Ivory Joe Hunter, LaVern Baker, Ruth Brown, The Playmates, The Wildcats, The Kookie Cats, The Four Freshmen, The Four Sophomores, Mitch Miller, and many more.

[4][16] Hyman has worked as composer, arranger, conductor, and pianist for the Woody Allen films Stardust Memories, Zelig, The Purple Rose of Cairo, Broadway Danny Rose, Hannah and Her Sisters, Radio Days, Bullets Over Broadway, Everyone Says I Love You, Sweet and Lowdown, The Curse of the Jade Scorpion and Melinda and Melinda.

His other film scores include French Quarter, Moonstruck, Scott Joplin, The Lemon Sisters and Alan and Naomi.

He was the pianist/conductor/arranger in Tharp's Eight Jelly Rolls, Baker's Dozen, and The Bix Pieces and similarly arranged and performed for Miles Davis: Porgy and Bess, a choreographed production of the Dance Theater of Dallas.

20 Canada), becoming the first Moog single hit (although, as originally released on 45, it was labeled as the B-side to the shorter "Topless Dancers of Corfu").