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 learn to play dulcimer with Dizzi "Scale Song part 1", Somerset Hammered Dulcimer Orchestra Performs Medieval Music Rose Rose with Dizzi, learn to play dulcimer with dizzi "Double Arpeggios Part 2"