Sarah Hennies (b. 1979, Louisville, KY) is a composer and percussionist currently residing in Ithaca, NY. Her work is primarily concerned with an immersive, psychoacoustic presentation of sound brought about by an often grueling, endurance-based performance practice that Nathan Thomas of Fluid Radio described as "a highly sophisticated and refined performance technique...that starts and ends with listening and encourages a different way of listening from its audience."