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 Felix Mendelssohn- Violin Concerto, E Minor, Op. 64: I. Allegro molto appassionato, P.D.Q. Bach- Grand Serenade for an Awful Lot of Winds and Percussion (UB Symphonic Band), P.I. Tchaikovsky- Overture Solemnelle, The Year 1812, Op. 49 (LaGuardia Senior Orchestra)