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,
Subcontrabass flute "". Subcontrabass flute The subcontrabass flute is one of the largest instruments in the flute family, measuring over long. The instrument can be made in the key of G, pitched a fourth below the contrabass flute in C and two octaves below the alto flute in G; which is sometimes also called double contra-alto flute, or in C, which will sound three octaves lower than the C flute. The subcontrabass flute is rarely used outside of flute ensembles. It is sometimes called the "gentle giant" of the flute family because of its gentle sound. At present, the subcontrabass flute is