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 Winter-Blues Ukulele, Glaabst i bin bleed - Gofel & Ronaldo - Ukulele, Diga Diga Doo Ukulele Loreley 2012