"Of moons and birds etc", a song from MGMT - need more info

There’s a song of which the title is typically given, “MGMT - Of Moons Birds and Monsters (Holy Ghost! Remix).” The lyrics don’t seem to contain anything anti-Christian, it’s more of an ecology song. But I don’t know anything about that kind of music and my searching skills are at an end. The question is, is the reference to the Holy Ghost there a bona fide use or is it abuse? The information is important to me because I don’t know what to think of a friend (Catholic) sharing this song and if this is abuse, then sensitivity to it matters in the kind of decision I might be making.

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