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 L. v. Beethoven Violin Sonata Nº 1 Op 12 Mov 3, L. v. Beethoven Violin Sonata Nº 1 Op 12 Mov 2, Jean Sibelius: Six Finnish Folk-Songs - Alvaro Ordoñez - Piano