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 eTown Finale with Over The Rhine & The Lone Bellow - "Slip Sliding Away" (eTown webisode #437), Jimmy LaFave - "Buckets of Rain" (eTown webisode 190), Steep Canyon Rangers - Blue Velvet Rain (eTown webisode #866)