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 [HD] Tim Foust Vocal Range (G0 - G♯5), [HD] Paul David Kennamer Vocal Range (C0 - C4), [HD] Whistle Register - Best Live Notes