Fourth Valve
In this section
How do I extend my range on the euphonium
Build range at both ends slowly and daily: lip slurs and flexibility for the high register, fourth-valve fingerings and relaxed open air for the low. Range grows from consistency and good air, not force.
What is the fourth valve for
The fourth valve lowers the euphonium a perfect fourth. It extends the range down toward the fundamental and provides in-tune alternatives to the sharp 1+3 and 1+2+3 combinations.
How do I improve my intonation on the euphonium
Learn your instrument's specific tendencies with a tuner and drone, use the fourth valve and alternate fingerings to dodge the worst notes, and practise long tones and slow lyrical playing to train your ear and air.