Martin Iddon is Professor of Music and Aesthetics at the University of Leeds. He is editor (with Melanie L. Marshall) of Lady Gaga and Popular Music: Performing Gender, Fashion, and Culture and author of New Music at Darmstadt: Nono, Stockhausen, Cage, and Boulez; John Cage and David Tudor: Correspondence on Interpretation and Performance; and four other monographs and edited volumes. He is based in Leeds, England. Melanie L. Marshall is Lecturer in Music at University College Cork. She is editor (with Martin Iddon) of Lady Gaga and Popular Music: Performing Gender, Fashion, and Culture and of Sexualities, Textualities, Art and Music in Early Modern Italy. She is based in Cork, Ireland.