Assertion: hyperbass flute | /r/HasAspect | lower range
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Source sentences:
text: The double contrabass flute (sometimes also called the octobass flute or subcontrabass flute) with over 5.5 metres (18 ft) of tubing is the largest and lowest pitched metal flute in the world (the hyperbass flute has an even lower range, though it is made out of PVC pipes and wood).