Here are the possible solutions for '40s jazz spinoff clue
Answer
Clue
Relevancy
bebop
Clue
'40s jazz spinoff
'40s jazz style
Definition
to play a style of jazz
bop
Clue
'40s jazz style
'40s jazz
Jazz of the '40s
Definition
to dance to pop music
kennyg
Clue
"For his contributions to jazz, ___ should be smeared with bacon grease, placed in a cage with three underfed Kodiak grizzly bears, and whatever happens, happens." ("Genius Guide to Jazz")
teams
Clue
Jazz and Blues, but not smooth jazz or jump blues, AFAIK