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 A. Corelli - Sonata No.11 for Violin, Cello & continuo in E major., G. Frescobaldi - Toccata per Spinettina e Violino - Rachel Podger - Violin, J. A. Hasse - La clemenza di Tito. Philippe Jaroussky - countertenor