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 Whistle Stop -- Howling at the Moon, Whistle Stop -- Lonesome Wind (by Brittany Pearse), Briana Pearse -- Jr Fiddle Competition 4 Corner State 2008