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 Henryk Szeryng plays Paganini Violin Concerto No. 3 (1st Mov.) - Part 2, Jascha Heifetz plays Wieniawski Polonaise No. 1 in D Major, Henryk Szeryng plays Brahms Violin Concerto (1st Mov.)