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
Bass flute Bass flute The bass flute is the tenor member of the flute family. It is in the key of C, pitched one octave below the concert flute. Because of the length of its tube (approximately ), it is usually made with a J-shaped head joint, which brings the embouchure hole within reach of the player. It is usually only used in flute choirs, as it is easily drowned out by other instruments of comparable register, such as the clarinet. Prior to the mid-20th century, the term "bass flute" was sometimes used, especially in Great Britain, to refer to the alto