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 Casio SA-8 Keyboard + Bonus Hidden Easter Egg Feature, Casio CTK-495 Keyboard 100 Demonstration Songs Part 2/5 Songs 022 to 040, Yamaha PSS-280 Keyboard