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
Double contrabass flute was designed to be an ensemble instrument it was soon discovered by various solo artists who saw the merits of the instrument for their musical purposes. The bore is wider than what one usually finds in a metal double contrabass flute. The instrument is comparatively light, weighing only (compared to for the brass version), and can be produced relatively quickly and inexpensively. In addition, the PVC appears to produce a broad tone. Double contrabass flute The double contrabass flute (sometimes also called the octobass flute or subcontrabass flute) with over of tubing is the largest and lowest pitched metal flute