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 Clawhammer Baritone Ukulele - Sally In The Garden and Rocky Mountain Goat, Clawhammer Baritone Uke – Green Willis or The Raw Recruit, Clawhammer Baritone Uke – Soldier's Joy