@article{Bracefield_1972, title={Review of 1972/08/13 Concert at Roundhouse, London. HPSCHD: John Cage.}, url={https://journals.gold.ac.uk/index.php/contactjournal/article/view/contactjournal05_p32}, DOI={10.25602/GOLD.cj.v0i5.899}, abstractNote={<p>-</p>}, number={5}, journal={Contact: A Journal for Contemporary Music (1971-1990)}, author={Bracefield, Hilary}, year={1972}, month={Sep.} }