| Artist | Active | Genre & Styles |
|---|---|---|
| Arjen Anthony Lucassen | 1980s - 2020s | Pop/Rock, Heavy Metal, Progressive Metal, Neo-Prog, Prog-Rock |
| Ayreon | 1990s - 2020s | Pop/Rock, Heavy Metal, Neo-Prog, Prog-Rock, Progressive Metal |
| Delta David Gier | 1980s - 2020s | Classical, Orchestral, Symphony |
| Erik Truffaz | 1990s - 2020s | Jazz, Electronic, Fusion, Electric Jazz, Jazz-Funk, Post-Bop, Trumpet Jazz, Jazz Instrument, Acid Jazz |