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 Dont Caprice Nr. 5 played by Julian Walder (12), Wieniawski "Variations on an Original Theme" by Julian Walder (12), Julian Walder (13) plays Mendelssohn violin concert e-moll op. 64