videos in AudioSet
A list of about a million ten-second YouTube clips, each labelled with the sounds in it, that Google published in 2017. Labs use it to train and test general audio and music models.
Including The Fungal Planet Ambient Late (Track 18) - Sid Meier's Civilization: Beyond Earth, The Fungal Planet Ambient Early (Track 13) - Sid Meier's Civilization: Beyond Earth Soundtrack, Planetfall Ambient Middle (Track 36) - Sid Meier's Civilization: Beyond Earth Soundtrack