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 Civilzation 4 Soundtrack: Romance No. 1 for Violin and Orchestra in G Major, Op. 40, Civilization 4 Soundtrack: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: III. Allegro