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 Electro Harmonix B9 Organ Machine Review - BestGuitarEffects.com, TC Electronic Corona Mini Chorus, Vortex Mini Flanger, Shaker Mini Vibrato Review, EarthQuaker Devices Hummingbird V3 Demo - BestGuitarEffects.com