You might want to look up X-ray dog. They make quite similar "epic" music.i only recently discovered the awesome that is two steps from hell:
(first one needs to develop a little... gotta give it time =D)
Do yourself a favor and listen to the original version of "Buena" from Morphine's "Cure for Pain" album. In fact, listen to the whole album. In fact, listen to all of Morphine. It's mostly all drums, sax, and the late Mark Sandman on vocals and 2-string bass guitar.