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 All You Need Is Love - The Beatles - Stringspace String Quartet (excerpt), Hallelujah - Leonard Cohen/Jeff Buckley - Stringspace Violin & Guitar, Moon River - Henry Mancini - Stringspace Guitar & Violin cover