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 da caccia, Baroque antecedents of the cor anglais. Even less common is the bass oboe (also called baritone oboe), which sounds one octave lower than the oboe. Delius and Holst both scored for the instrument. Similar to the bass oboe is the more powerful heckelphone, which has a wider bore and larger tone than the baritone oboe. Only 165 heckelphones have ever been made. Not surprisingly, competent heckelphone players are difficult to find due to the extreme rarity of this particular instrument. The least common of all are the musette (also called oboe musette or piccolo oboe), the sopranino member