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 Leonidas Kavakos & Yuja Wang: Brahms Violin Sonata No. 3 - IV. Presto agitato, Janine Jansen: J.S. Bach - Violin Concerto in A Minor - I. Allegro Moderato, Pink Floyd's Wish You Were Here Symphonic - Album Trailer