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 Making of the Vivendi Sounds Bradford Massed Ensemble, Don Lusher at Music for Youth Schools Prom 1982, 5. Infinity Begins With 'I' - Introducing Pulse and Rhythm