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 Kap`n KuTT - Freestyle Scratching (Loopers: Studioscratches Flycut & The Collective Looper), WTK WORLDWIDE SCRATCH BATTLE 2010: DJ Kap'n KuTT