Crossword puzzle clue "rhythm and blues singer baker"

Rhythm-and-blues singer Baker

Baker who was an activist, an actress, a dancer, a singer, and a spy, but not, as far as I know, a baker

"___ jumpy rhythm makes you feel so fine" (lyric from Johnny Cash's "Get Rhythm")

Blues singer Baker

The time of rhythm and blues music, e.g

Rhythm-and-blues music

Blues/soul music with a strong rhythm

Jazz and Blues, but not smooth jazz or jump blues, AFAIK