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 打楽器4重奏"宝島への地図"堀金中【金賞】, クラリネット6重奏"風紋"保科洋(清水公明編)