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 Improvisation double bass, Rachmaninoff Elegie op. 3 No.1 Fora Baltacigil, for bass and piano, Turkish Song 11/8 Fora Baltacigil Double Bass, "Mandolin Paul Kowert"