Cage and Feldman in conversation
1966-67 WBAI 99.5 FM, New York

I. July 9, 1966
II. July 1-, 1966
III. December 28, 1966
IV. January 16, 1967
V. January 16, 1967

Other links of interest

Columbia Music Department
Computer Music Center
Other Minds
Internet Archive
American Music Forum
Society of Composers International