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 Amira Willighagen sings live opera at Television Action Philippines 11-18-2013, Emily Bear Somewhere Over The Rainbow and more at Hollywood Piano, Story Music Scores by pianist & composer Emily Bear, age 11