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= English rock band Electric Light Orchestra |Source=https://www.worldradiohistory.com/hd2/IDX-Business/Music/Archive-Cash-Box-IDX/70s/1972/Cash-Box-1972-05-20-OCR-Page-0008.pdf#search=%22produced%20by%20roy%20wood%22 Cashbox, May 20, 1972, page 8 |Date=1972 |Author=United Artists Records |Permission=* The ad appeared in the 20 May 1972 issue of ''Cashbox'' and can be dated from that publication.<br/> * There are no copyright markings as can be seen at the full view...