video 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 [예원학교 정지원] Chopin Polonaise no. 6 in A-flat Major, Op.53 "Heroic", 쇼팽폴로네이즈 "영웅"