Sir Peter Maxwell Davies on the music of Marc Yeats: "Marc Yeats’ musical voice is quite unlike anything else; the music is challenging to both performers and audiences, and very communicative. He produces extraordinary compositions that not only look and sound good, but demonstrate a very high level of academic learning, while being breathtakingly original." This composition was written for bass clarinet soloist Sarah Watts, who did extensive research on bass clarinet multiphonics. This piece is a great illustration on the integration of multiphonics in contemporary music.