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 Freezepop - "Super-Sprøde (live at FITcon on April 2, 2004)", MillionYoung featuring Awesome New Republic - "Cynthia (live at Spin Cycle on March 26, 2010)", Clang Quartet live at South Main Community Arts Center on February 10, 2010 (Part 2/2)