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 Massive Preset Soundbank - Chillwave Pads and Leads by Speaker Feature Studios, NI Rounds Preset Soundbank - Synthesizer Dreams by Speaker Feature Studios, FM8 Preset Soundbank - Growls & Hard Sounds by Speaker Feature Studios