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 Stereo Electric Mistress Flanger / Chorus Pedal (Demo by JJ Tanis), Electro-Harmonix Bass Micro Synthesizer Analog Microsynth Pedal (Demo by Peter Stroud), Electro-Harmonix RTG Random Tone Generator