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 Etude #15 violin by Rodolphe Kreutzer (1766-1831), Etude #19 violin by Rodolphe Kreutzer (1766-1831), Kayser Etude #27 op. 20 for solo violin