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 第16回井上泰信マンドリン門下生発表会 ダイジェスト 2016.4.3, Calace:Rhapsodia Napoletana(1) -Yasunobu Inoue-, The 7th Osaka International Mandolin Competition 2011-2