This developer video for Halo 4 shows how the musical score was created for the upcoming sci-fi game.
Halo: Nightfall - Official Trailer
The official trailer is out for the Halo: Nightfall series.
Halo 4 Spartan Ops Episode 8
The eighth CG episode is out for Halo 4: Spartan Ops.
Halo 4: Spartan Ops - Episode 5
Here is the fifth CG episode of Halo 4: Spartan Ops, created by Axis Animation.