In 1975-6, there was a piano in the OM bar at RAF Brawdy, but I don't think anyone ever played it.
A notice attached to the piano stated that, if someone's squadron tradition involved burning a piano, they were at liberty to do so - provided that they would be prepared to pay for its replacement. The cost of which was also prominently displayed.
Whether it was that which ensured the piano's survival, I don't know. Perhaps it was simply the fact that the bar was on the first floor, accessible only by steep stairs?
Summer of '76 and the single seat Hunter - bliss!