Photo of the vocal group The Chordettes.Clockwise from top: Carol Buschmann, Dorothy "Dottie" Schwartz, Jinny Osborn, and Janet Ertel.
Date
No date on CBS release. From the copy and the composition of the group, this is circa 1954, when they had a huge hit with "Mr. Sandman". They weren't signed to a record label until 1953. The group broke up in 1961, when founding member Jinny Osborn left permanently and they found no suitable person to replace her.
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 (50 p.m.a.), Mainland China (50 p.m.a., not Hong Kong or Macao), Germany (70 p.m.a.), Mexico (100 p.m.a.), Switzerland (70 p.m.a.), and other countries with individual treaties.
{{Information |Description=Photo of the vocal group The Chordettes.Clockwise from top-Lynn Evans, Janet Ertel, Carol Buschmann and Marjorie Needham. |Source=[http://www.ebay.com/itm/2013-Chordettes-Entertainers-BARBERSHOP-GLAMOR-Press-Photo-/2711...