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 Fantasy Tripping - Fantasy Dream Trance on Yamaha MM6 synthesizer by TST, Timeless Melody - Classical Music on Yamaha MM6 synthesizer by TST, Happiness - Ambient Electronica (Yamaha MM6)