The Oboe and the English Horn are two double reed instruments.
A single reed instruments makes noise by vibrating the reed against the mouthpiece, a double reed instruments makes its noice by 2 reeds vibrating together. Happy Playing! musictheory1@hotmail.com
Flutes, and reed instruments
The single-reed and double-reed, that's if you're talking about woodwind instruments.
There are two kinds of woodwind instruments that have single reeds: the clarinet family, and the saxophone family. For any size clarinet or saxophone, there is a special size of bamboo reed that fits the mouthpiece for that size. The reed is fastened to the mouthpiece by a ring or band called a ligature. Double-reed instruments have reeds made of two pieces of bamboo instead of one, and the reed fits onto the crook or neck instead of onto a mouthpiece.
A Ligature is a device for holding a single reed against the mouthpiece, so ligatures are found on single reed instruments. The two most common single-reed families of instruments are the Clarinets and the Saxophones.
The single-reed and double-reed, that's if you're talking about woodwind instruments.
The Oboe and the English Horn are two double reed instruments.
A single reed instruments makes noise by vibrating the reed against the mouthpiece, a double reed instruments makes its noice by 2 reeds vibrating together. Happy Playing! musictheory1@hotmail.com
Flutes, and reed instruments
The single-reed and double-reed, that's if you're talking about woodwind instruments.
There are two kinds of woodwind instruments that have single reeds: the clarinet family, and the saxophone family. For any size clarinet or saxophone, there is a special size of bamboo reed that fits the mouthpiece for that size. The reed is fastened to the mouthpiece by a ring or band called a ligature. Double-reed instruments have reeds made of two pieces of bamboo instead of one, and the reed fits onto the crook or neck instead of onto a mouthpiece.
The mouthpiece of a woodwind instrument is the part of the instrument which is placed partly in the player's mouth. Single-reed instruments have mouthpieces while exposed double-reed instruments and open flutes do not have mouthpieces. The oboe and the bassoon are two instruments that have a double reed.
Music for two musicians who play double reed instruments such as the clarinet. Edit: Clarinet is not a double reed instrument only the oboe and bassoon are double reeded instruments.
The clarinet and bassoon are members of the Woodwind family. These two instruments require the use of a reed to produce musical notes. Another member of the Woodwind family is the Oboe.
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The most popular double reed instruments are the bagpipes, bassoon, and oboe. Wikipedia has a more complete list here: http://en.wikipedia.org/wiki/Double_reed. The contrabassoon and the English horn also use a double reed.