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 A.Corelli - S.Suzuki "La Folio" for Violin and Piano, [NWC] N.Rimsky-Korsakov - G.Cziffra "Le Vol du bourdon"