Soundtrack / Sci-fi / Space / Fantasy. A heroic track that conveys a sense of motion and activity. Might compliment scenes involving preparations for a major event such as a battle or ship launch, or a scene that requires a heroic feel.
An ambient film soundtrack cue with a very mysterious edge. Pensive, slowly moving soundscape, like hiding, sneaking, or breaking and entering. A subtle rhythmic element enters about half way through along with a deep drone
A tense and dark action / sci-fi / thriller underscore. Dark pads and twitchy, ethereal soundscapes, with action thriller style drum / percussion parts. Think horror / mystery / science fiction / dark drama. Can also be for very edgy sports footage.