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 Roland VG-99 Guitar Synthesizer - #2 Synth, Milano Fiera: MEET 2007 - Puma Sound Station Cabine Insonorizzate, Roland VG-99 Guitar Synthesizer - #3 FX