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 Day-O, aka The Banana Boat Song - Harry Belafonte (ukulele tutorial by MUJ), Blue Moon (ukulele tutorial by MUJ), Besame Mucho - Spanish version (ukulele tutorial by MUJ)