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 Billy (The) Kidd - Crazy Guitar (Jane 107) [1956 rockabilly instrumental], Marvin Jackson with The Sounds Of Country and Lefty Lahay - Dippin' Snuff (Mar-Lee 1), June Webb - A Mansion On The Hill (Hickory 1086) [1958 country]