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 Wieniawski Violin Concerto no 2 mov I Allegro Moderato, Wieniawski Violin Concerto no 2 mov II Romanza Andante nontropo, Barber Violin Concerto 1st mov (with WDO)