Contrabassoon
Instruments
The contrabassoon, also known as the double bassoon, is a larger version of the bassoon, sounding an octave lower. Its technique is similar to its smaller cousin, with a few notable differences. Wikipedia
Instrument family: Bassoon and Woodwind instrument
Other names: double bassoon; Kontrafagott (DE); contrafagot (SP); controfagotto (IT); contrebasson (FR)