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 Spiderman 2 Enter Electro PS1 Music: Konichi-Wa Spider-San, Spec Ops: The Line Music - The 33rd, Unreleased Samurai Champloo Piano Music