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 2014 Liquid Force Deluxe Wakeboard - Kevin Henshaw's Rail Assassin, Tommy Czeschin's Liquid Force TC Custom Skim Wakesurf Board, 2014 Liquid Force Shane Hybrid Wakeboard