The sub-contrabass recorder is a member of the recorder with a low note of FF.[citation needed] It is manufactured in a design with a square or rectangular cross-section, which was first patented in 1975 by Joachim and Herbert Paetzold. They are made from plywood and have a doubled-back bore like a bassoon, which reduces the exterior length of the instrument. They also have wooden keys (Lasocki 2001). Through this special and proprietary design, the instrument can be played with a very short bocal.
References
- Lasocki, David. 2001. "Recorder". The New Grove Dictionary of Music and Musicians, second edition, edited by Stanley Sadie and John Tyrrell. London: Macmillan Publishers.
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