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 21 Songs in 6 Days: Learn Ukulele the Easy Way, How to Play YMCA on ukulele - Ukulele Sisters, Ukulele Blues Tutorial - How to play the 12 Bar Blues - Ukulele Sisters