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 Pearl / Cowbells "PCB"/ カウベル "PCB", Pearl / Orchestra Wood Blocks / オーケストラ・ウッドブロック, Pearl / Cajon Wood Block / カホン・ウッドブロック / PBCW-100