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 MFB Microzwerg Half-Modular Analog Synthesizer Sync, MFB nanozwerg synth vs urzwerg seq vs kraftzwerg synth, MFB Schlagzwerg Modular Drum Synthesizer meets MFB Kraftzwerg