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Characteristics

The clarinet's cylindrical bore is the main reason for its distinctive timbre, which varies between the three main registers (the chalumeau, clarion, and altissimo). The A and B ♭ clarinets have nearly the same bore and nearly identical tonal quality, although the A typically has a slightly warmer sound. The tone of the E ♭ clarinet is brighter and can be heard through loud orchestral textures. The bass clarinet has a characteristically deep, mellow sound, and the alto clarinet sounds similar to the bass, though not as dark.