NYT :
Ms. James was not easy to pigeonhole. She is most often referred to as a rhythm and blues singer, and that is how she made her name in the 1950s.
She was also comfortable, and convincing, singing pop standards.
She is in both the Rock and Roll Hall of Fame and the Blues Hall of Fame.
Etta James - My Funny Valentine
Wiki:
"My Funny Valentine" is a show tune from the 1937 Richard Rodgers and Lorenz Hart musical Babes in Arms in which it was introduced by former child star Mitzi Green. After being recorded by Chet Baker, Frank Sinatra and Miles Davis, the song became a popular jazz standard, appearing on over 1300 albums performed by over 600 artists.
+Kanye West sampled MFV for “Addiction” on his Late Registration, Roc-A-Fella, 2005 release