Dal 1956 al 1970 suonò nel The three sounds trio con il bassista Andy Simpkins e il batterista Bill Dowdy. In questo periodo il trio incise regolarmente per la Blue Note Records e la Verve.
Nella fine degli anni settanta si stabilì a Boise, esibendosi con regolarità al Idanha Hotel. Riprese i tour all'inizio degli anni ottanta; suonò quindi con il Ray Brown trio e in seguito si esibì con gruppi propri, incidendo principalmente per Concord Records.
Discografia
Introducing the 3 Sounds (with The Three Sounds) (1958, Blue Note)
LD + 3 (Lou Donaldson with The Three Sounds) (1959, Blue Note)
Standards (with The Three Sounds) (1959, Blue Note)
Bottoms Up! (with The Three Sound]) (1959, Blue Note)
Good Deal (with The Three Sounds) (1959, Blue Note)
Blue Hour (The Three Sounds with Stanley Turrentine) (1960, Blue Note)
Moods (with The Three Sounds) (1960, Blue Note)
Feelin' Good (with The Three Sounds) (1960, Blue Note)
Here We Come (with The Three Sounds) (1960, Blue Note)
It Just Got to Be (with The Three Sounds) (1960, Blue Note)
Hey There (with The Three Sounds) (1961, Blue Note)
Babe's Blues (with The Three Sounds) (1962, Blue Note)
Out of This World (with The Three Sounds) (1962, Blue Note)
Black Orchid (with The Three Sounds) (1962, Blue Note)
Blue Genes (with The Three Sounds) (1962, Verve)
Jazz on Broadway (with The Three Sounds) (1962, Mercury)
Some Like It Modern (with The Three Sounds) (1963, Mercury)
Live at The Living Room (with The Three Sounds) (1964, Mercury)
Three Moods (with The Three Sounds) (1964, Limelight)
Beautiful Friendship (with The Three Sounds) (1965, Limelight)
Today's Sounds (with The Three Sounds) (1966, Limelight)
Vibrations (with The Three Sounds) (1966, Blue Note)
Live at The Lighthouse (with The Three Sounds) (1967, Blue Note)
Coldwater Flat (with The Three Sounds) (1968, Blue Note)
Elegant Soul (with The Three Sounds) (1968, Blue Note)
Soul Symphony (with The Three Sounds) (1969, Blue Note)
Live at The "It Club" (with The Three Sounds) (1970, Blue Note)
Live at The "It Club" (with The Three Sounds) (1970, Blue Note)
Gene Harris/Three Sounds (1971, Blue Note)
Gene Harris of The Three Sounds (1972, Blue Note)
Yesterday, Today & Tomorrow (1973, Blue Note)
Astral Signal (1974, Blue Note)
In A Special Way (1976, Blue Note)
Nexus (1976, Blue Note)
Tone Tantrum (1977, Blue Note)
Nature's Way (1980, JAM)
Live at Otter Crest (1981, Concord)
Hot Lips (1982, JAM)
The Gene Harris Trio Plus One (1985, Concord)
Tribute to Count Basie (with the Gene Harris All-Star Big Band) (1987, Concord)
Listen Here! (1989, Concord)
Live at Town Hall, N.Y.C. (with The Philip Morris Superband) (1989, Concord)
At Last (Gene Harris/Scott Hamilton Quintet) (1990, Concord)
World Tour 1990 (with the Philip Morris Superband) (1990, Concord)
Black and Blue (1991, Concord)
Like A Lover (1992, Concord)
Gene Harris Live at Maybeck Recital Hall, Vol. 23 (1992, Concord)
Brotherhood (1992, Concord)
A Little Piece of Heaven at Ste. Chapelle Winery (1993, Concord)
Funky Gene's (1994, Concord)
Its the Real Soul (with Frank Wess (1995, Concord)
Live (Gene Harris & The Philip Morris All-Stars (1995, Concord)
In His Hands (1996, Concord)
Down Home Blues (with Jack McDuff) (1996, Concord)
