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 Bach / Ralph Kirkpatrick, 1968: Prelude and Fugue in G major (BWV 884) - WTC Book 2, Bach / Solisti Di Zagreb, 1957: Concerto in D minor for Violin, Oboe and Strings - Antonio Janigro, Paul Hindemith: Francis Tursi / José Echániz - Violin Sonata, Op. 11, No. 4 - 1953, Part 1