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 Veracini: Violin Sonata in E minor (II) - Allegro; Menuet; Gavotta, Sarasate - Spanish Dance: Miramar (Zortzico) op. 42 - Violin and Piano, Portnoff - Russian Phantasy: violin and piano