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 Donegal Fiddle Workshop Nieuwe Niedorp, Classical music on anglo concertina - Armes Waisenkind / Poor Orphan, Polka Szabasówka - polish folk music on accordeon