2) “Status Report”

The first proper song of the episode is one of its best because it’s the only song that actually plays with Star Trek logic and language on the whole soundtrack—pretty much all of the other tracks are emotional, character-driven songs. It’s such a clever way of watching the premise of the episode wrap itself around the characters, as they try to do what any good Star Trek character would do in this situation: investigate and analyze.
And those harmonies at the end? Mwah. Wonderful.