Contra-alto flute repertoire for bass flute and contrabass flute see: Peter van Munster, "Repertoire Catalogue for Piccolo, Alto Flute and Bass Flute", Roma: Riverberi Sonori, 2004. More and more flute ensemble repertoire is incorporating the contra-alto flute. Typically, it is doubled with the contrabass (and/or bass) flutes, however, in recent years, composers and arrangers such as Alexandra Molnar-Suhajda and Judy Nishimura have been pushing the boundaries of lowness by writing independent parts for the instrument. Contra-alto flute The contra alto flute is in the key of G (or sometimes F), pitched one octave below the alto flute - which is a fourth
End-blown flute or "raft". End-blown flute The end-blown flute (also called an edge-blown flute or rim-blown flute) is a keyless woodwind instrument played by directing an airstream against the sharp edge of the upper end of a tube. Unlike a recorder or tin whistle, there is not a ducted flue voicing, also known as a fipple. Most rim-blown flutes are "oblique" flutes, being played at an angle to the body's vertical axis. They generate sound by at this end blown voicing by siphon effect. A notched flute is an end-blown flute with a notch on the blowing surface. A lip-valley flute is