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 Solfeggio Kundalini Arpeggio; low Theta binaural beats, Trancendent States (Theta to Delta) binaural beats & Tubular Solfeggio Bells, Yokubou Ai (Ambient breakbeat)