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 Glockenspiel Solo, Keiko Abe "Prism Rhapsody" arranged and performed by Santiago Aldeguer, Marimba 4 mallets: Flamenco and Hispanic-American music improvisation III