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Spectral Voices Story
The Origins of Spectral Voices
Overtone Singing in a Water Tower
Improvised Group Overtone Singing
What is overtone singing?
How to overtone sing
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Jim Cole
Jim Cole + Spectral Voices
Mathias Grassow + Jim Cole
Leland Burr
Jim Cole + Alpha Wave Movement
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Spectral Voices
Group overtone singing ~ Ethereal, Relaxing and Sublime music
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