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 Bohuslav Martinu, Sextet for Wind Instruments and Piano (1929) Mov I, Bach, "Double" Violin Concerto in d minor Mov II (Arnold and Alma Rosé) 1928, Bohuslav Martinu, Sonata for Violin and Piano No 1 Mov II (Ida Levin, Alexander Lonquich)