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 Robert Schumann. Concerto for Violin and Orchestra in A minor, op. 129. Part I, Ethella Chupryk. Sergei Rachmaninoff - Etude-tableau Op. 39 No. 2 in a minor