1962. The program mentions that The Four Seasons had a Billboard #1 hit with Sherry at the time the program for this show was printed. The song reached number one in September 1962.
A search of the UPenn records for 1962 under books and under periodicals turned up no copyright registrations for this program. A further search was done at copyright.gov for any possible renewals. There were no results for Murray the K or for the disk jockey's real name, Murray Kaufman.
While I believe the program was never copyrighted, I am licensing this as copyright not renewed to be sure of the correct license.
Note that it may still be copyrighted in jurisdictions that do not apply the rule of the shorter term for US works (depending on the date of the author's death), such as Canada (70 years p.m.a.), Mainland China (50 years p.m.a., not Hong Kong or Macao), Germany (70 years p.m.a.), Mexico (100 years p.m.a.), Switzerland (70 years p.m.a.), and other countries with individual treaties.
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