Here are the possible solutions for jazz band singer clue
Answer
Clue
Relevancy
anitaoday
Clue
Big-band singer called 'The Jezebel of Jazz'
bobcrosby
Clue
Jazz-band singer
aljolson
Clue
"The Jazz Singer" singer
cakevspavement
Clue
"Drop Band A on Band B? Band B wins, no contest."
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