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 L-Train - Sound Barrier (Taps ft Feather cover), The L-Train - Chant of Immortality (4everfreebrony cover), A Symphonic Metal Tribute To "A Canterlot Wedding"