Contrabassoon
| Woodwind instrument | |
|---|---|
| Other names | 
 | 
| Hornbostel–Sachs classification | 422.112–71 (Double-reeded aerophone with keys) | 
| Developed | Mid 18th century | 
| Playing range | |
| Written pitch, sounds one octave lower Sounding pitch | |
| Related 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.