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 KX-SYNTH-X16 - ON THE RUN - TUTO SEQUENCER 01, Best KX77FREE's : KX-SYNTH-X16-V4 Sequencer - Midi out to VSTi