A masterstroke of diplomacy.
Their masterstroke was the Concordat of 1516, which meant an immense stride in the path towards absolutism.
But bringing in John Barrowman as the libidinous Captain Jack Harkness has been an absolute masterstroke.
Then " Slade " pull the masterstroke of the night.
Provided the price is right, this could prove a masterstroke.
Yet the real masterstroke is to restore the chorus to its original musical function.