System F

- Out of the Blue
- Out of the Blue (Remastered) · 1999
- Exhale (feat. Armin van Buuren)
- 10 Years · 1999
- Cry (Alex K Remix)
- Cry · 2000
- Adagio for Strings
- Adagio for Strings - Single · 2022
- Never Wanted This
- 76 · 2003
- Solstice (Original Extended)
- A State of Trance Classics, Vol. 13 (The Full Unmixed Versions) · 2010
- Adagio for Strings (Extended Mix)
- Adagio for Strings - Single · 2022
- Dance Valley Theme 2001 (Extended Mix)
- Out of the Blue (Remastered) · 1999
- Out of the Blue 2010 (Original Violin Edit)
- Out of the Blue 2010 · 1999
- Out of the Blue
- Out of the Blue (Matt Fax Remix) - Single · 1999

Cry - Single

Cry - Single

2024
Dance Valley Theme 2001 (Disk Space Remix) - Single

Dance Valley Theme 2001 (Disk Space Remix) - Single

2023
Adagio for Strings - Single

Adagio for Strings - Single

2022
Ignition, Sequence, Start - Single

Ignition, Sequence, Start - Single

2011
Insolation

Insolation

2011
Out of the Blue

Out of the Blue

2011
Pegasus - Single

Pegasus - Single

2011