Western concert flute cases C). Modern flutes may have a longer foot joint, a "B-foot", with an extra key to reach B. From high to low, the members of the concert flute family include: Each of the above instruments has its own range. The piccolo reads music in C (like the standard flute), but sounds one octave higher. The alto flute is in the key of G, and the low register extends to the G below middle C; its highest note is a high G (4 ledger lines above the treble staff). The bass flute is an octave lower than the concert flute,
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,