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 Viola Spaces no 8 - Up, down, sideways, round - trio, close camera - Garth Knox, Medieval fiddle and dance - Garth Knox, "Raglan Road" on hardanger fiddle - Garth Knox