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 Grant Kirkhope - Click Clock Wood (Summer) [Banjo-Kazooie], S.E.N.S. Project - Pure (on guitar and melodica), Ayano Tsuji - Become the Wind [instrumental]