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 Pichl - Concerto in D for string bass; 2. Adagio (Michael Winkler), Robert Fuchs - Pieces for bass & piano op. 96 No 2 (Michael Winkler), Pichl - Concerto in D for string bass; 1. Allegro moderato (Michael Winkler)