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 Brahms violin concerto Berl Senofsky Rudolf Moralt 1956, Tristan Keuris - Music for clarinet, violin and piano (1973), Henri Vieuxtemps - Reverie op 22 no 3 Louis Zimmermann - violin Willem Mengelberg