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 Haakon Solaas Hardanger Fiddle 05, Haakon Solaas plays Fanitullen on the hardanger fiddle, Haakon Solaas Plays the Hardanger Fiddle 04