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 Alcazaba (Mike Curtis + A. Wiebecke-Gottstein) clarinet + bass, Someday My Prince Will Come on arco bass, Summertime (Gershwin) played arco on upright bass