What Your Tongue looks Like When You Sing

What you see in this dynamic MRI-recording is the tongue movement in the vocal tract while doing overtone singing and normal singing. The positions of the tongue forms the resonance cavities which delete all not-wanted overtones in the sound of the voice at a certain point in time, and then amplify a single overtone that is left, which can be heard as a separate note above the fundamental. The MRI recordings were made by Prof. Dr. Bernhard Richter, Prof. Dr. Matthias Echternach and Dr. Michael Burdumy in the University Medical Center Freiburg, Institute for Musician’s Medicine.