My old friend from Sausalito, Minette, lived on a houseboat and played concertina. Her cat, a considerable hunk well named McCavity would begin to yowl and howl whenever she started playing, and would go from that to clawing her legs, and attempting to attack the box and her arms if she continued.
It was funny to watch, but it cut short the music sessions. She'd remove McCavity from the premises, put him on deck, and shut the door, whereapon he'd howl outside and "entertain" those in the neighboring slips.
Blessings,
Barbara