Here are the possible solutions for jazz singer reeves clue
Answer
Clue
Relevancy
dianne
Clue
Jazz singer Reeves
del
Clue
Singer Reeves
Country-and-western singer Reeves
Country singer Reeves
Definition
an operator in differential calculus
dels
Clue
Country singer Reeves et al.
Definition
DEL, an operator in differential calculus
aljolson
Clue
"The Jazz Singer" singer
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