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 Ku'u Lei Awapuhi / ukulele solo / ウクレレ弾くよ♪, Lei Ho'oheno / レイホオヘノ ukulele solo / ウクレレ弾くよ♪, KAPONO デイドリームビリーバー Ukulele Picnic 2010