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 Let It Snow - Christmas Ukulele Strum-Along, Basic Ukulele Lessons - 10c - What a Friend We Have in Jesus, Love Me Tender - Ukulele Strum-Along with Chords and Lyrics