The music of Halo is some of the best of any game franchise. I'm always interested to take a listen to the OST that accompanies a new release.
This time up to the plate is Kazuma Jinnouchi who did some of the best music on Halo 4's soundtrack. The entire soundtrack has now been released on Soundcloud for you to listen to. Everything I've heard thus far is stellar work.
Take a listen here:
I really am excited for Halo 5 the closer it gets to coming out. Everything I've heard from my little birds has been very, very positive.