Treble flute trill keys, and soldered keys. It is very similar to a piccolo, and plays in the same range, although, because it is a slightly larger instrument, it has a different quality at the upper end of its register, and it has an extended lower register, as compared with the piccolo. The instrument should not be confused with the Alto Flute, also in G, which is a larger instrument that transposing down by a fourth to the octave below the treble flute. Since the demise of the Renaissance flute consorts, the use of this treble flute in G seems to have
Bass flute Dutch flute maker Eva Kingma has created a vertical design for the bass flute which allows the weight of the instrument to be supported by the floor. Many composers are beginning to write more pieces for the bass flute. These include Katherine Hoover's "Two for Two", Bill Douglas's "Karuna", Sophie Lacaze's "Archelogos II", Mike Mower's "Obstinato" and "Scareso", Gary Schocker's "A Small Sonata for a Large Flute", Lorenzo Ferrero's "Ellipse" and "Shadow Lines", Sonny Burnett's "Stone Suite", Catherine McMichael's "Baikal Journey" and Ennio Morricone's "Secrets of the Sahara". Other important works include Tristan Murail's "Ethers" for solo bass flute and