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 Aria - Anna Magdalena Bach - BWV 508 - Bist du bei Mir - Wedding Music - Organ HD, "Phantom of the Opera" - Main Theme - Lloyd Webber - Synth Organ Keyboard Cover