Five-key flute Five-key flute The five-key flute is a musical instrument once common in school marching bands, and composed of wood with metal keys. It is a transposing instrument, most commonly in Bb, this variant being known as the Bb flute and sounding one tone below the orchestral piccolo. The next most common variant is the Eb flute, sounding a fifth below the Bb flute and used as its bass instrument in band harmonies. It is now often found in British military corps of drums, often playing various regimental marches. As the name suggests, the five-key flute most commonly has five keys,
Members of the western concert flute family version is usually used for jazz because both the tenor saxophone and clarinet are in B. The alto flute is characterized by its distinct, mellow tone in the lower portion of its range. The tube of the alto flute is considerably thicker and longer than a C flute and requires more breath from the player. However, this gives it a greater dynamic presence in the bottom octave and a half of its range. It is pitched in the key of G (sounding a fourth lower than written) with its range stretching from G to G. The headjoint may be straight