Reed (mouthpiece) a mandrel for bassoon reeds. Bassoon reeds are wrapped with nylon thread or cotton thread, depending on the musician's preference. Oboe reeds are most commonly tied with nylon thread. Finishing both bassoon and oboe reeds requires the reed-maker to scrape along the cane section of the reed with a scraping knife to specific dimensions and lengths depending on the reed style and the musician's preference. Bassoon and oboe reeds are finished when the reeds play in tune or can make a sufficient "crow"-like noise. Quadruple reed instruments have four reeds, two on top and two on bottom. Examples of this
Oboe In "The Oboe", Geoffrey Burgess and Bruce Haynes write "The differences are most clearly marked in the middle register, which is reedier and more pungent, and the upper register, which is richer in harmonics on the Viennese oboe". Guntram Wolf describes them: "From the concept of the bore, the Viennese oboe is the last representative of the historical oboes, adapted for the louder, larger orchestra, and fitted with an extensive mechanism. Its great advantage is the ease of speaking, even in the lowest register. It can be played very expressively and blends well with other instruments." The Viennese oboe is,