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 Roger Netherton on fiddle: "Shaking Down the Acorns" (Clifftop 2014), Roger Netherton & Scott Miller: "Arkansas Traveler" on fiddle and bones, "Happy Hollow," "Sandy River," "Calico": Roger Netherton plays 3 fiddle tunes from Marcus Martin