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 Petr Špatina - Popelka a Hallelujah (skleněná harfa - / Glasharp - Aschenbrödel und Hallelujah, Petr Špatina - Vltava a Vídeňský valčík (skleněná harfa - Glasharp - Donauwalzer und Moldau)