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Two notes, one voice | Anna-Maria Hefele | TEDxGenova | Anna-Maria Hefele | TEDxGenova

8:36

First Time Reaction Otyken - Storm | @OTYKEN #reaction #firsttime #russia

3:43

Polyphonic Singing Step-by-Step | Lesson 1 | Overtones & Tongue Placement

3:21

"BY THIS RIVER" | Anna-Maria Hefele & Florian Zack | Pixners BACKstage 2015

8:34

Crystalline Winter Frequency Sound Healing | Clear Quartz | Reiki Energy Healing & Light Codes

9:08

Led Zeppelin's Robert Plant Talks about Living in Texas

3:04

Throat singing from different continents

15:37

What Opera's 11 Types of Female Singers Sound Like (w/examples!)