Changes

*The '''Upper joint''' contains roughly half of the keys.

*The '''Upper joint''' contains roughly half of the keys.

*The '''Lower joint''' contains the other half of the keys.

*The '''Lower joint''' contains the other half of the keys.

*The '''Bell''' improves the sound made by the instrument.

*The '''Bell''' improves the sound and projection of the instrument.

These parts all fit together via greased cork-lined joints. The tuning of the instrument is adjusted by sliding the mouthpiece (or the barrel) toward or away from the body. Generally speaking, it's easier to lip a pitch up rather than down, so in tricky passages, pulling out leads to greater control for longer durations.

These parts all fit together via greased cork-lined joints. The tuning of the instrument is adjusted by sliding the mouthpiece (or the barrel) toward or away from the body. Generally speaking, it's easier to lip a pitch up rather than down, so in tricky passages, pulling out leads to greater control for longer durations.