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 Ukulele Hui 33 - Bambino, Ukulele Hui 34 - Marie Darling, Ukulele Hui 34 - Mikaouel et son ukulele - Pompes en daim bleus