Please sign up for SUPERSONUS newsletter here: Get the CD: Learn to sing overtones: RITUS Wolf Janscha SUPERSONUS The European Resonance Ensemble Anna-Maria Hefele, overtone singing Eva-Maria Rusche, harpsichord Anna-Liisa Eller, kannel Wolf Janscha, jew´s harp Marco Ambrosini, nyckelharpa, jew´s harp Video © 2014 by Thomas Radlwimmer /
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