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 Aram Khachaturian - Sabre Dance - Xylophone/ Vibraphone, Mitchell Peters - Three Pieces for Three Mallets (Movement 1), Nick Woud - Study 25 - Timpani