Racheal Cogan is an Australian recorder player with a special interest in modal, non-harmonic musics

Tony Lewis is a percussionist, composer, and music educator with over thirty years of professional experience.

Tony Lewis and Racheal first performed together in Armidale NSW, in January 2005, and have since been performing Australia wide . Their duo CD Transience: Contemporary Modal Music, was released by Orpheus Music in January 2007

The Ganassi is a modern instrument based a medieval type of recorder, it was researched and developed by the late recorder maker Fred Morgan 1975.