Roel's World - a blog about music and more.http://pageoverview.com/website-report/roelhollander.eu
"Света на Рул" е блог за музика и други. Roel's World is a blog by Roel Hollander about tuning, musical temperaments, C4=256Hz, Scale of Fifths, Fibonacci, Cymatics, 432Hz, Zodiac Signs Tones, Sound & Light, Sound & Color, Ancient Solfeggio and more ...
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