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 Reverb Pedal Shootout (Strymon Blue Sky, Neunaber Wet, Dr. Scientist RRR), A Few Minutes with the Strymon Blue Sky, Silent Night - Ambient Guitar Version