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 Antonio Vivaldi - Cello Sonata no. 3 in A minor, I. Largo, on baroque cello with harpsichord, Baroque Cello Music: Bach, Gabrielli, Barrière, Geminiani [Playlist] - curated by Emily Davidson, Marcello - Sonata no. 1 in F major, Largo-Allegro, on baroque cello