Bob Katsionis

- The Nightrager
- Noemon · 2008
- Last Stand (feat. Mark Boals & Bob Katsionis)
- Scores of War · 2018
- Birth of the Sun
- Noemon · 2008
- Apocalypse
- Noemon · 2008
- Noemon
- Noemon · 2008
- Soukse!
- Noemon · 2008
- Tears of Alice
- Noemon · 2008
- Spongeibob Vs Ibob the Builder
- Noemon · 2008
- Athenian Light
- Noemon · 2008
- Delirium In Santiago
- Noemon · 2008
- A Melody Like You
- Noemon · 2008
- The Wounded Chords
- Noemon · 2008
- Milestone
- Noemon · 2008

Amadeus Street Warrior (Original Soundtrack)

2022
Noemon

2008
Imaginary Force

2004
Turn of My Century

2002

Torn Away (feat. Bob Katsionis) - Single

Paris Of Troy
Edge of Spacetime (feat. Bob Katsionis & Achilleas Diamantis) - Single

Spiros Kabasakalis
The Unborn (Edge of Spacetime, Pt. 2) [feat. Bob Katsionis & Chris Pallas] - Single

Spiros Kabasakalis
Fifty Fifty (feat. Chandler Mogel, Vasilis Saleas, Bob Katsionis, Ethan Hill, Vic Martin, Stefanos Despotakis, Alejandro Diaz, Christos Alexopoulos, Max Milligan, Theodore Alexiou & Athens Choir Ensemble)

Dirty Harry Guitar