Other artists he has performed or recorded with are Kenny "Babyface" Edmonds, John Densmore (The Doors), Kenny Loggins, Buck Owens' "Buckaroos", Pete Escovedo, Will Kennedy & Jimmy Haslip (The Yellowjackets), Jojo Mayer, Ronald Bruner Jr., Ryan Leslie, Virgil Donati, Judith Hill (Michael Jackson), Tony Macalpine, Tony Royster Jr., Melvin Davis, Janek Gwizdala, Jimmy Branly, Justo Almario, Carlitos del Puerto, Sandro Albert, Cliff Almond, Monty Byrom, The Smokin' Armadillos, and his own original projects including funk/jazz group Mother Funk Conspiracy featuring L.A. saxophonist Zane Musa.
Hamm began playing the piano at age four and by high school he had developed a passion for jazz. He attended Citrus College in Glendora, CA and California State University Bakersfield where he studied piano and composition under Dr. Doug Davis. He was twice a member of the best combo and twice won the top pianist award at the largest west coast college jazz festival, Pacific Coast Collegiate Jazz Festival at UC Berkley.
"Dennis Hamm is one of the most outstanding keyboardist I've ever had the pleasure of working with. Innovative. Melodically centered and always on point!" -Tony Shepperd, Engineer/Producer, Tonysound Studios
"It was a joy and a revelation for me to hear and play with someone so young yet so accomplished, understated, lyrical and cliche-free." - Richard Simon
"I had the pleasure to play percussion with him in Seattle at the Jazz Alley while touring with TribalJazz
Dennis Mitcheltree QuartetThe Grape