The official Black Powder Red Earth® BandCamp is Live (Patreon)

https://awbariburns.bandcamp.com/album/awbari-ost

Presently, this BandCamp hosts the four tracks released in collaboration with Stahl (already available for download on this Patreon).

BandCamp is a great streaming platform which excludes commercial interstitials found on YouTube if you just want to stream the music.