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The Quarter Tone Concert Flute

invented by Eva Kingma with the collaboration of Bickford Brannen By Stefan Keller – What is so special about the quarter-tone flute? – Do I have to relearn everything to play this instrument? – What are the advantages of this instrument? The quarter tone flute, invented by Eva Kingma, developed and built in collaboration with Bickford Brannen & Brannen…

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