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 Mendelssohn: Andante (from the violin concerto) / Antonio Brosa, 1937, Sofia Gubaidulina: Music for Flute, Strings and Percussion / Pahud, Rostropovich, Bach: Wedding Cantata, BWV 202 / Elisabeth Schumann (2/5)