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 Sound Horizon - 死者們的物語 -Ιστορια- (Moira), Sound Horizon - 往遙遠的地平線那裡去 -Οριζοντας- (Moira), Sound Horizon - 黄昏の賢者 (Roman)