Double reed of double reeds for the oboe family of instruments is similar in principle: like the bassoon's reeds, they consist of two pieces of "Arundo donax" cane fastened together with an opening at the tip. However, because the oboe does not have a bocal, the cane must be fastened to a metal tube (the staple), the lower half of which is normally surrounded by a piece of cork. The staple is then inserted into the farrow at the upper end of the oboe. There are many different methods of making reeds and many variations of design have been developed. Players can
Wiener oboe played very expressively and blends well with other instruments." The Viennese oboe is (with the Viennese horn) perhaps the most distinctive member of the Vienna Philharmonic instrumentarium. The oboe in use in Vienna in the early and mid-19th century was originally a design called the Koch/Sellner oboe. In 1825 Viennese oboist and teacher Joseph Sellner wrote an oboe tutor ("Theoretische-praktische Oboeschule"), which included an illustrated fingering chart. The oboe associated with these materials was produced by Stefan Koch (1772–1828). This instrument was very well regarded in central Europe. In addition to a modernized mechanism with up to 13 keys, the