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 Folk Alley Sessions: Watchhouse (formerly Mandolin Orange) - "Waltz About Whiskey", Ray Bonneville - Crow John - FolkAlley.com, Ray Bonneville - Run Jolee Run - FolkAlley.com