Video Details
"Excerpt of a program given at: March 20, 1963, 8:15 pm Page Auditorium at Duke University Recording provided by the Dept. of Music Sound recordings at David M. Rubenstein Rare Book & Manuscript Library, Duke University https://archives.lib.duke.edu/catalog/uamusicsound_aspace_ref308_iak for non-commercial use to anthonydibonaventura.com.  Sound restoration by John Haight at sonic-recreation.com"