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 05-Apr.'08 Jiyugaoka Quintet (Rodgers: Theme from "Sound of Music"), 17-Jan.'09 Jiyugaoka Quintet (Disney Movie Medley for Brass Sextet), 17-Jan'09 Jiyugaoka Quintet (M.Ravel: Pavane for Dead Princess)