The 4 valve microtonal trumpet – DONALD BOUSTED Edition
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using 'natural' deviations
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OUR FIRST EVER CUSTOM QUARTER-TONE TRUMPET!
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Jaeger Quarter tone trumpet
Jaeger Quarter tone trumpet
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Bridging Arabic And Western Music With An Unusual Instrument : NPR
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Data Cult Audio Session 0146 — Sarah Belle Reid
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Trumpet - Wikipedia
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This new quarter tone trumpet... - David Monette Trumpets | Facebook
