Songs
- Opal - Movement 13Willem Martens
- Opal - Movement 12Willem Martens
- Opal - Movement 11Willem Martens
- Opal - Movement 10Willem Martens
- Opal - Movement 09Willem Martens
- Opal - Movement 08Willem Martens
- Opal - Movement 07Willem Martens
- Opal - Movement 06Willem Martens
- Opal - Movement 05Willem Martens
- Opal - Movement 04Willem Martens
- Opal - Movement 03Willem Martens
- Opal - Movement 02Willem Martens
- Opal - Movement 01Willem Martens
- Tree of PythagorasWillem Martens
- FibonacciWillem Martens
- Coast LineWillem Martens
- The Mandelbrot SetWillem Martens
- Fractal WorldWillem Martens
- Shattered LightWillem Martens
- Winter CloudsWillem Martens
- Broken DimensionsWillem Martens
- Space and TimeWillem Martens
- Between Chaos and OrderWillem Martens
- Ice CrystalsWillem Martens
- Spiral NebulaWillem Martens
- The Solitary WalkerWillem Martens
- Invitation to the VoyageWillem Martens
- ScarboWillem Martens
- The StrangerWillem Martens
- A Season in HellWillem Martens
- The Flowers of EvilWillem Martens
- Paris SpleenWillem Martens
- IlluminationsWillem Martens
- TarantullaWillem Martens
- The Fool and VenusWillem Martens
- Lost HaloWillem Martens
- Moon FavorsWillem Martens
- Savage Lions little OnesWillem Martens
- Counter-BalancesWillem Martens
- Brilliance in Black SkiesWillem Martens
- Slow Dance of the StarsWillem Martens
- Blue CrystalsWillem Martens
- Wizard LakeWillem Martens
- Cosmic RayWillem Martens
- Elegant Lady in a BargeWillem Martens
- Chaos and OrderWillem Martens
- Bright PowerWillem Martens
- Dream CalenderWillem Martens
- Butterfly EffectWillem Martens
- BabylonWillem Martens