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 Sergeja Groegl, Peter Gouw (Vishuddha SoundTouch): Planetarian Gongs Improvisation, Vishuddha SoundTouch Live 2011: Sarasvati Mahalakshmi mantra