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
Oboe Concerto (Bellini) only nine bars long and in the key of G major. It does not develop any melodic material in the rest of the piece, and it consists of a chord progression that makes heavy use of chromatic intervals. Naxos Records referred to it as "the shortest of dramatic introductions". Charles-David Lehrer opined that the concerto "deleted the first movement structure", in contrast to previous concerti for the oboe. Lehrer also stated that most pieces without an extensive first movement were labeled as concertinos. The second section, "Larghetto Cantabile", marks the first entrance of the oboe and transitions to E-flat major,