1965-67 - Pianist / saxophonist with Soul Impromptu jazz quintet at Ohio University 1970-72 - Studied and performed with legendary bebop jazz guitarist Bill deArango in Cleveland, Ohio 1971-72 - Keyboards and alto sax in December's Children rock group in Cleveland, Ohio 1972 - Pianist in the duo Harrington Wadsworth Foxweave with guitarist / singer Mark Ostrovsky in Cleveland, Ohio 1973-1975 - Pianist in avant-garde jazz group Centre with saxophonist Vinnie Golia in Los Angeles 1976-77 - pianist in world music group Jasmine East-West Fusion Ensemble with multi-reedist Vinnie Golia and guitarist George Landress in Los Angeles 1977-78 - Pianist in jazz group African Roots of Jazz with drummer E.W. Wainwright in Los Angeles 1978 - Post-graduate work at UCLA in music composition and film scoring. 1978-1983 - Keyboardist /co-leader of jazz fusion group Landress/Hart Group 1980-93 - President of ShadowLight Records 1981 - Keyboardist / Producer on Landress/Hart Group's "Dancing Moments" album 1984 - Keyboards/alto sax on Ron Hart's "Just Behind Our Love" album 1992-93 - Included in Marquis' "Who's Who in Entertainment" 1996 - Keyboards and soprano/tenor sax on smooth jazz group Focal Point's CD, "No Distance Between Us" 1997 - Arranger / keyboards on "The Divine Gypsy" CD for Self-Realization Fellowship 1998 - Soprano saxophone on "Season Without End" CD by William Belote 2001 - Arranger / Keyboards / saxophone on Brazilian guitarist Tomaz Lima's CD, "Ceu - Sounds of Magic" 2003 - Arranger / keyboards on "Where Golden Dreams Dwell" CD for Self-Realization Fellowship 2006 - President of Indie label PureBeam Music (www.purebeammusic.com) 2008 - Grand piano and synthesizer on Ron Hart's "The Light Beyond the Atoms" CD