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
Contrabass flute model for flute ensembles. Contrabass flutes have also been made from PVC pipe, by the Dutch flute maker Jelle Hogenhuis. It is reported that while it might be thought that an instrument made from PVC would be inferior, the PVC allows for a louder instrument if the wall thickness is kept small. PVC also permits more rough treatment, as the plastic instrument can be bumped without denting. New solo and chamber music is being composed almost every day for this instrument, and performer Peter Sheridan has commissioned numerous works from composers around the world, including: Alex Shapiro, Patrick Neher, Vinny