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 The best Casio GP500 and GP300 Buyers Guide - Full Features & Sound Comparison, Kawai CS11 Digital Piano - UK Quick Overview Of Piano Sounds, Nord Stage 2 EX Hammond Organ Sound Live On stage 2016