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 Nessun Dorma, Woodwind Quintet Arrangement (w/ sheet music), Clair de Lune For Wind Quintet and Triangle, Frank Starobin - MINIMALISTIC PIECE NO.2 "Spaghettification"