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 Breaking the Rules of Watercolour with Shirley Trevena, Innovative Water Media with Nicholas Simmons, Improvisational Splash Color Technique with Cheng-Khee Chee, Vol 4