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 BoSM Shelia's Theme : Rain Tear Cage, WNSP Azuma's Theme : Pass Through the Front Line's Wind ~ Flow Scale, ULiL Pre-Battle Theme : Outside World Folklore