Martin O'Donnell

- Truth and Reconciliation Suite
- Halo: Combat Evolved (Original Soundtrack) · 2002
- A Walk In the Woods
- Halo: Combat Evolved (Original Soundtrack) · 2002
- Peril
- Halo 2, Vol. 1 (Original Soundtrack) · 2004
- Impend
- Halo 2, Vol. 1 (Original Soundtrack) · 2004
- Lament in the Endless City (Orchestra)
- Echoes of the First Dreamer (The Musical Prequel to Golem) · 2017
- Kindled Echoes
- Echoes of the First Dreamer (The Musical Prequel to Golem) · 2017
- Three Gates
- Halo 3 (Original Soundtrack) · 2007
- Opening Suite
- Halo: Combat Evolved (Original Soundtrack) · 2002
- Gravemind
- Halo 3 (Original Soundtrack) · 2007
- Black Tower
- Halo 3 (Original Soundtrack) · 2007