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 How to Play Portato (Portamento) on the Piano, Robert Estrin Performs Liszt Hungarian Rhapsody No. 6 | Irvine Classical Music Series, Robert & Florence Estrin - Carmen Fantasy: Bizet/Borne - Irvine Classical Music Series