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 Festival of the Bluegrass 2009 Jam Session (Instrumental), Rudy Fest 2008 Bluegrass Jam Session "Big Spike Hammer", Boundary Line performs "It's Gonna Rain," LIVE at the MAC