Tran Quang Hai sings the 7 CHAKRAS with overtones

The whole thing is a wonderful demo of overtone singing, but NB at the end, 3:10 to 3:16, he builds a sonic stupa:

See lots more on his YouTube page. Those wishing to play with sonography might try Raven Lite, a free app from Cornell’s Ornithology Lab that “lets users record, save, and visualize sounds as spectrograms and waveforms.”