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 Golia, Bruce Lawrence, Adrienne Albert, and Sheridon Stokes. As a virtuoso solo instrument, even a few concertos have been composed for the contrabass flute. Catherine McMichael composed a concerto for low flutes and orchestra in 2006 entitled 'Three Philosophies', in which one of the movements features the contrabass flute. In April 2008 the well structured concerto "Bantammer's Swing" for contrabass flute and chamber orchestra by Ned McGowan was premiered in Carnegie Hall. In 2010, the 'Lyric Concerto' for contrabass flute and strings was commissioned by Sheridan from the late Australian composer Bruce Lawrence. 'Nola' by composer Benjamin Yusapov, was commissioned