Mortimer Shuman was an American singer, pianist and songwriter, best known as co-writer of many 1960s rock and roll hits, including "Viva Las Vegas". He also wrote and sang many songs in French, such as "Le Lac Majeur", "Papa-Tango-Charly", "Sha Mi Sha", "Un Été de Porcelaine", and "Brooklyn by the Sea" which became hits in France and several other European countries.

"Viva Las Vegas" is a 1964 song recorded by Elvis Presley written by Doc Pomus and Mort Shuman for his film of the same name, which along with the song was set for general release the year after. Although Elvis Presley never performed the song live, it has since become popular and often performed by others. The RIAA certified the single disc "Viva Las Vegas/What'd I Say" gold on March 27, 1992, having sold 500,000 copies in the United States.