Mel O’Callaghan is an accomplished artist who in recent times has had substantial exhibitions of her work in institutions such as the Centre Georges Pompidou, Palais de Tokyo, Serralves Museum, National Gallery of Victoria and Biennale of Sydney. Her work is recognised for a depth of rigour and ambition, and her twenty years of practice demonstrates an intelligent, considered and sophisticated approach to conceiving projects that push the bounds of individual physical and psychological thresholds to provoke transformation. Based in Paris and Sydney, her work has a responsive and site-specific quality that lends itself to exhibition outcomes nationally and internationally.

Sabine Rittner works as a Scientific Associate at the Institute of Medical Psychology of the University Clinic Heidelberg, Germany. Her research topics are on the effects of sound and voice on the human body and soul and on trance / altered states of consciousness. She is an approved psychotherapist, music therapist, breath and voice therapist and is teaching medical students and doctors in Medical Psychology. Besides having published more then 120 publications she gives seminars and holds lectures all over the world since forty years. She also is an artist in the field of experimental performance and sculpture.