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 トロンボーンで『少年と魔法のロボット』を演奏してみた【pBONE】, トロンボーンで『ほころび』を演奏してみた【pBONE】