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 A New Kind of Rock Violin, Amazing Grace - Solo Violin - (Dedicated to Lynn Wright) Adam DeGraff, Violin, The Dueling Fiddlers Cello Suite remix: "Bach 'n' Roll" on violin / viola / fiddle