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 Frederieke Saeijs - Berg Violin Concerto - 2/4, Berg Violin Concerto - Frederieke Saeijs - 3/4, Frederieke Saeijs - Berg Violin Concerto - 3/4