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,
Flute choir Flute choir A flute choir is an instrumental chamber ensemble consisting of range extensions of the flute family. Although a flute quartet can, in some cases depending on instrumentation, be considered a flute choir, most flute choirs extend the melodic range of the group in either direction with the addition of "melody" flutes. Most flute ensembles of five or more people can be considered a flute choir, although this is not a fixed number. The modern definition of a flute choir is a recent development; likewise, the abundance of literature specifically written for the ensemble has grown alongside the ensemble