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- Steve Jansen – composer, drummer, keyboardist
- Jan Garbarek – Composer, Saxophonist; Genres: New Age, World, Classical, Jazz
- Jean Michel Jarre – composer
- Karl Jenkins - composer
- Theo Jörgensmann – composer, basset clarinetist
- Bradley Joseph – composer, pianist, keyboardist
- William Joseph - Pianist, Composer
- Prem Joshua – Composer
Read more about this topic: List Of New Age Music Artists