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 Schneeflöckchen Weißröckchen - Piano / Klavier HD Sound, Hoch soll er leben - HD Sound - Klavier Karaoke Geburtstag Musik ohne Noten, Stille Nacht, heilige Nacht - Piano / Klavier HD Sound