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 Bartók Sonata for Solo Violin - 1. Tempo di ciaccona, Bach - Sonata for solo violin no. 1 in G minor, BWV 1001 - 4. Presto, Nielsen violin concerto, op. 33 - 2nd movement