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 33b Abbeville - Second Ireland Sacred Harp Convention, 2012, 300 Calvary - Second Ireland Sacred Harp Convention, 2012, 122 All Is Well - Second Ireland Sacred Harp Convention, 2012