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 Rie Koyama/C. M. v. Weber: Andante e Rondo Ungarese, Op. 35, Akio Koyama/G. Jacob:Bassoon concerto, mov. I/SKO