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 Blake Perryman - Violin - Allegro Assai by Kuchler, Blake Perryman - Violin - Ciarda by Alberto Curci, Blake Perryman - Violin - Concertino by Ferdinand Kuchler