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 Georgia on my mind - Played on 8 String Lanikai Ukulele - Smell Riddell, Sione Aleki - The Late Mr Sione and his Magic Ukulele - circa 1990 video, Voodoo Chile - Played on Standup/Upright 5 String Fretless Bass