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 Chant - Music for paradise - Music for the soul - Stift Heiligenkreuz, Pater Karl Wallner über "Chant - Deo gratias", Les moines chant music for paradyse