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 Philip Glass' Appomattox Premiere (Excerpt), Philip Glass' The American Four Seasons: Movement 4 (Piano Reduction), Philip Glass' Violin Concerto No.1: Movement 3 (Piano Reduction)