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 Reverb Shootout: Boss FRV-1 vs a Circa 1964 Fender Reverb Unit by Scott Sill, NAMM 2015: Way Huge Blue Hippo Analog Chorus Demo with Bob Cedro and Bryan Kehoe, Shure GLX-D Digital Wireless Guitar Pedal Demo by Scott Sill