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 Fastest Violin Player - Schnellster Geiger der Welt - Bumblebee - Hummelflug - Adam Taubitz, Memories of Tomorrow - K. Jarrett - Rhodes Improvisation by Marcin Grochowina, Rhodes Mark V - Improvisation by Marcin Grochowina