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 Retrolectro Technology XXV (Wurlitzer Electro Swing - Jazz'n'Box - DJ Grafter), Retrolectro Hopper LXXIb (Worrying Bob's Electro Blues Away - Mick Kelly Remix), Retrolectro Swingtoon CXXI (Western Cowboy E-Swing House with Paolo Nutini's Pencil Full Of Lead)