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 Tempo Latino 2007 - Maraca + Candido Fabré 1/2, Luisito Quintero's Percussion Maddness @ Bimhuis - 3/4, Luisito Quintero's Percussion Maddness @ Bimhuis - 2/4