Cage, John. “Cage-Interview Nr. 3 No. 3.; Almeida Contemporary Festival, London, 1990; Various Afternoon and Evening Moments, Almeida Bar, 19 6 90; Sweeney-Turner Im Gespräch Mit John Cage”. European Journal of Musicology 6 (June 30, 2003). Accessed January 31, 2025. https://bop.unibe.ch/EJM/article/view/6179.