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 ProSoundz - Ni Massive: R&B Pleasures (Preview), ProSoundz - Sylenth1 Trap Presetbank V5 (60 Presets), ProSoundz - Sylenth1 Southern Flame Bank