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 Vostok Modular Synthesizer/Sherman QMF Filter/TR-606, EMS VCS3 SYNTHI A SYNTHESIZER - Buenos Aires _ Siesta del Sauno, Moog Sub Phatty Synthesizer - Bostich Studio Nortec