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 Dorian Concept Performance Featuring the JD-Xi Synthesizer, AC-33 Acoustic Chorus Guitar Amplifier featuring Alex Hutchings, RD-700NX Digital Piano, Synthesizer capability demo by John Maul