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 Bach Cello Suite No 3 Movement 2 // Rinat Ibragimov, Ravel - Vocalise-etude en forme de Habanera, Vanhal Double Bass Concerto in D Major // Rinat Ibragimov, double bass