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 Piano Lessons: Tip 2, Chord Voicings: Chords For A Better Sound, Piano Lessons - Learning the Basic Chords Lesson 2, Piano Instruction Made Easy - Jazzy Holiday Sounds, O Christmas Tree Lesson Preview