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 Mims Ukes Demo: Kamaka Tenor All Solid Koa 100th Anniversary Centennial Ukulele Uke, Mims Ukes Traveling Ukulele Sideshow At GNUF 2016 Sponsored By Ohana Ukuleles