
The New School archives contain a tape of a question and answer period that followed Dr. King’s address but did not include a recording of the actual speech.
Recently, a reel-to-reel tape was found at the student radio station at Amherst College in Massachusetts that indicated it was Dr. King’s New School speech. Not wanting to risk damaging the tape by playing it, the college had the recording digitized. It turned out the reel had been accurately labeled.
The speech had been rebroadcast on the college radio station on December 8, 1964 as part of a weekly program of pre-recorded lectures, some given at Amherst College and some obtained through arrangements with other institutions. The King recording is one of 46 open reel audio tapes transferred to the Amherst College Archives and Special Collections by the radio station in 1989.
The recording has now been made available to the public. You may listen to the speech here. A transcript of the address can be read here.

