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 Minne Veldman - Boléro de Concert (L.J.A. Lefébure-Wély), Minne Veldman - Happy Birthday-Variationen (Peter Heidrich)