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 Kurzweil PC3 Sounds 03/2013, YAMAHA S30. Demo of sounds for live + bandsetting Part 2, YAMAHA S30. Demo of sounds for live + bandsetting