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 Orchestration 101: The String Section - 1. Course Introduction and Orientation, Live 8 102 - The Simpler Sampler - 18: Putting it All Together pt. 2, Pro Tools 10 101: Introduction to Pro Tools - 1 New Ways To Edit