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 Beethoven / Sonata for piano and violin No.8 G-dur op.30-3 3/3, André Jolivet / Serenade for Wind Quintet, L.V.ベートーヴェン / 交響曲 第9番 ニ短調 作品125『合唱付き』より 第4楽章(打楽器オーケストラ)