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 Talk 70: Sound Production I: What Makes it Loud?, Bruch: from Eight Pieces, op. 83 VI. Nachtgesang (Nocturne): Andante con moto, Talk 80: Calgary Talk II: 4 Minute Demo