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 Transcendental Mantra Soundscape, Soothing Gauranga Chant, Amazing Meditation Chant by Jagad Guru Siddhaswarupananda Paramahamsa Chris Butler