Here are the possible solutions for upstairs group clue
Answer
Clue
Relevancy
brass
Clue
Upstairs group
Definition
to coat with an alloy of copper and zinc
above
Clue
Upstairs
Definition
the upper part
any
Clue
"... card, ___ card" (Last week: The two diagonally hidden 18-letter titles were "Up the Down Staircase" and "Upstairs, Downstairs." The latter answer turned downward at the D of "Downstairs.")