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 Rock Bottom & The Cuttaways - Venice, FL 1999 - Blues Harmonica - Slide Guitar & More, Traditional Appalachian Fiddle Playing - Lost Indian, Buzz Feiten - Recorded Live 1973