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 D. Shostakovich 5 Pieces for two violins and piano 4/4, D. Shostakovich 5 Pieces for two violins and piano 2/4, Anton von Webern Four Pieces for Violin and Piano Op. - Fritz Kreisler International Competition