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 ヘンデル:通奏低音とヴァイオリンの為のソナタ ト短調 HWV.364 Ⅱ, ハトと少年「天空の城ラピュタ」より ( Bass Tb., 涙そうそう(トロンボーンとホルンの2重奏)