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 Beethoven Serenade for Flute Violin and Viola in D Major Mvts 1-2, Saint Saens Violin Sonata no. 1 in d minor (transcription for flute) part 3, Mozart Violin Concerto No. 2 transciption for flute by Mark Longo