video 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 フラッシュモブ 第九 国立音楽大学 クリスマス 歓喜の歌 ode to joy flash mob beethoven symphony NO.9 オーケストラ orchestra in Tokyo