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 Vassar Clements & Friends, Suwannee Springfest, Live Oak, FL - Lonesome Fiddle Blues, Alan Dalton Trio - Lonesome Fiddle Blues, Sitting on Top of the World - Clean Break Bluegrass Band on River City Country Jamboree