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 Roland FA-06 Music Workstation - Sound Engine, Hotone Skyline Series CHOIR Analog Chorus Pedal | Quicklook, Korg minilogue Polyphonic Analog Synthesizer | Quicklook