How does a single-reed instrument differ from a double-reed instrument?

The primary difference between single-reed and double-reed instruments lies in how the reed vibrates to produce sound within the wind instrument.

Single-Reed Instruments

In single-reed instruments, such as the clarinet or saxophone, a single slip of cane is attached to a mouthpiece using a ligature. When the player blows, the thin end of the reed vibrates against the mouthpiece, alternately opening and closing the space between them to create pulsations in the instrument's air column.12

Double-Reed Instruments

Double-reed instruments, such as the oboe or bassoon, utilize two blades of cane bound together. The player holds the reed between their lips, and the two blades vibrate against each other to generate sound. These reeds are often mounted on a small metal tube called a staple or bound directly to form a hollow stem.12

While both types are classified as woodwind instruments, their distinct reed configurations and bore shapes significantly influence their acoustic properties, such as how they overblow to reach higher registers.12