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 Bluegrass Music News Clip Greenup, KY, Huckleberry Hornpipe Banjo by Courtney Johnson, Turkey in the Straw and Chicken Reel - Old Time Fiddle and Jews Harp duo