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 Korg Monotron Audio test Plus Reverb & Delay, Waldorf Blofeld in multi mode "Caos" original sounds, no sequencer, only arpeggiator!, Waldorf Blofeld vs Axiom midi CC and a short tutorial