Here are the possible solutions for jazz band's engagement clue
Answer
Clue
Relevancy
gig
Clue
Jazz band's engagement
Band's engagement
Band engagement
Definition
to catch fish with a pronged spear
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
adobe
Clue
Battle of ___ Walls (Indian Wars engagement)
Definition
(Spanish) an unburned, sun-dried brick made of clay and straw, also DOBE, DOBIE, DOBY