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 Villa Lobos - Bachianas Brasileiras No 5. Violin & Guitar. The Paganini Duo, Vivaldi Cello Sonata No 5 E minor - from 'My CELLO METHOD' Vol. 4, Tango Cello-Guitar (tremolo pizzicato) - Georg Mertens cello solo