Here are the possible solutions for it's everything so they say clue
Answer
Clue
Relevancy
else
Clue
"Everything Louder than Everything ___" (Meat Loaf song)
Definition
otherwise
salt
Clue
Part of the "everything" in an everything bagel
bacon
Clue
It makes everything taste better, they say
Definition
cured and salted pig flesh
timing
Clue
It's everything, they say
It's everything, so they say
Everything, so they say
sahl
Clue
Early and influential stand-up comedian Mort who said, "Liberals feel unworthy of their possessions. Conservatives feel they deserve everything they've stolen" haha I feel that
duet
Clue
"Say Say Say," say
Definition
a musical performance by two people, also DUETT, DUETTO