: Sound quality is good overall in the case of Erik Bruhn, the interviewee, except as noted below. The voice of the interviewer, Selma Jeanne Cohen, is often soft and difficult to understand. There are occasional extraneous noises, including "tape hiss" at times and occasional short gaps. The speakers' voices are distorted in the latter part of streaming file 10 and in streaming file 11 due to a problem with recording speed in the original recording. In addition, in streaming file 15, there is a high level of static from approximately 15:45 through 18:25, with the result that the speakers' voices in this section are almost unintelligible.