Alto flute Alto flute The alto flute is a type of Western concert flute, a musical instrument in the woodwind family. It is the next extension downward of the C flute after the flûte d'amour. It is characterized by its distinct, mellow tone in the lower portion of its range. It is a transposing instrument in G and, like the piccolo and bass flute, uses the same fingerings as the C flute. The tube of the alto flute is considerably thicker and longer than a C flute and requires more breath from the player. This gives it a greater dynamic presence in
Treble flute Treble flute The treble flute is a member of the flute family. It is in the key of G, pitched a fifth above the concert flute and is a transposing instrument, sounding a fifth up from the written note. The instrument is rare today, only occasionally found in flute choirs, some marching bands or private collections. Some 19th-century operas, such as "Ivanhoe" include the instrument in their orchestrations. A limited number of manufacturers produce G treble flute, including Myall-Allen and Flutemakers Guild. The flutes have many of the same options as their larger C flute cousins, including sterling silver bodies,