27 February 2013, I visited a special concert tonight - by the music people of Jaðarber ( A nice composition by Steve Reich was played, too.
One instrument tonight was the ‘Thranophone #2’ (icelandic “Þránófónn #2”), see the picture - an electro-acoustic musical instrument, which uses positive feedback to amplify the formant-peaks of complex/simple shaped cavities. It’s sonic material and possibilities of pitches derives from the resonance frequencies of cavities - ahhhah. More infos about the concert and this instrument (scroll to the right)

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