What American pop and jazz singer recorded "Changing Partners" the same year as Dinah Shore and Bing Crosby?
Changing Partners:  It was also recorded the same year by Dinah Shore, Kay Starr and Bing Crosby. Kay Starr: Katherine Laverne Starks (July 21, 1922November 3, 2016), known as Kay Starr, was an American pop and jazz singer who enjoyed considerable success in the 1940s and 1950s.
Kay Starr