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 "Cabin on a Mountain" Angelica Grim & Friends with A.J. Lee, Barry Schultz & friends play old time fiddle tune "Echo on the Mountain" or "Echoes of the Ozarks", Williams and Clark Expedition perform The Old Kentucky Road