David Cohen began his musical profession being a finger-pickin’ folk guitarist, but his musical profession changed considerably when in 1965 he met his mentor, composer/guitarist Don Peake. Cohen after that became a LA studio room musician, soloing on albums by Bobby Darin, Kenny Rogers, as well as the Initial Edition on designs that ranged from folk to electrical, dobro and Motown. After many years in the studio room scene, Cohen pass on his musical wings by using country and tempo & blues rings. He majored in music at UCLA learning film scoring, organizing and orchestrating, and tone of voice. His instructor in modal counterpoint and structure was Roy Harris. Cohen researched traditional electric guitar with Celedonio Romero and blues with Brownie McGhee. To aid with his traditional compositions, Cohen bought a Korg music workstation; he discovered the orchestral noises disappointing, but was intrigued using the 400 built-in noises with brands like “Atmosphere Castles” and “BlueMoon.” Shortly he was composing for these exclusive voices and reorchestrating his traditional compositions for these evocative modern noises. In 1996, he released Circadian Symphony, a rhythmic however melodic record bristling with fast electronic noises. Octagonal Ballet implemented in middle-2000.