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 Squidfanny (Legacy) - Circuit Bent YAMAHA DD 50 Drum machine, Circuit Bent VSS-200 - 8-Bit Sampler & Amen Break (October 2014), Squidfanny (Legacy) - Circuity Bent PSS-460 FM Synthesizer (march 2013)