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 Audix Microphones - How to mic an acoustic guitar with SCX25A large diaphragm condenser microphone, Audix Microphones & Paul McCartney Tour - Sound Guys Speak out!, Audix Microphones - How To Mic Drums - Snare Drum