Contrabass Clarinet: What It Is & How It Sounds

What Is a Contrabass Clarinet?

A folded giant built to reach two octaves down

The contrabass clarinet is one of the lowest-pitched members of the clarinet family in regular (if uncommon) use. Rather than build a straight tube long enough to reach its extremely low register — which would be unplayable — makers fold the bore back on itself several times, giving the instrument its distinctive "paperclip" silhouette. It's usually built from metal or high-grade resin rather than wood, both for structural strength and to keep the weight manageable, and most models rest on a floor peg rather than being held entirely by the player.

Fingering follows the same logic as every other clarinet in the family, so a player who already reads soprano or bass clarinet parts can generally sit down and play one, allowing for the sheer physical reach the keywork demands.

Sound & Register

Foundation, not melody

Where the bass clarinet still has a genuine solo voice, the contrabass clarinet's role is almost entirely foundational. Its low register is deep, breathy and resonant — closer in function to a tuba or contrabassoon than to the clarinet you'd recognise from an orchestra's front rows. It doesn't project the way smaller clarinets do; instead it fills out the bottom of a large ensemble's texture, giving a clarinet choir the same kind of grounding a double bass gives a string section.

Where It's Actually Used

Clarinet choirs, university ensembles, and not much else

You're very unlikely to encounter a contrabass clarinet in a standard orchestra, school band or jazz group — it simply isn't part of that world. Its natural home is the clarinet choir: an ensemble made up entirely of clarinets across the whole family, from Eb soprano down to contrabass, which exists partly as a serious performance format and partly to showcase exactly this kind of unusual instrument. University and conservatoire wind programmes, along with community clarinet ensembles, are where you're most likely to see one in person, generally seated at the back, anchoring the group's low end.

It's also, frankly, a talking point — an instrument that draws a crowd at any concert it appears in, simply for its scale.

Want to see how it fits against the rest of the family? Head back to the full types of clarinets guide, or read on about the even rarer members in the rarest clarinets in the world. And if any of this has you curious about learning the standard clarinet as a starting point, book a lesson — I teach clarinet in person in South East London and online.