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 Rita Dove & Garrison Keillor sing a spiritual at Chautauqua, June 1994, John McCutcheon sings Rita Dove's "Claudette Colvin", Rita Dove & Fred Viebahn Dancing a Rumba