“Group whose band is the oldest professional music ensemble in the U.S.” crossword clue

Reveal the answer to see why it works and where this clue has appeared before.MARINECORPS is the answer to the New York Times crossword clue “Group whose band is the oldest professional music ensemble in the U.S.”. It was last seen in the puzzle of January 3, 2025, where it runs at 10 Down and fills 11 squares. It crosses 11 other entries in that grid — those are listed below and are the quickest way to confirm the letters you already have.