Aberdeen fans made their voices known by singing the name of interim manager Barry Robson after the thumping victory over Hearts.
The Dons cruised to victory over the Jambos to put themselves just four points behind Robbie Neilson's side in third place. With Hibernian losing to Celtic at Parkhead Aberdeen moved into fourth place thanks to a double from Duk and a first goal in red for Mattie Pollock. The home side were three up inside the first half an hour and could have added to their lead in the second half with a number of clear-cut chances.
Robson has steadied the ship at Pittodrie since taking over from Jim Goodwin at the end of January, winning four of his six games in the dugout. Chairman Dave Cormack and Alan Burrows are yet to appoint a permanent replacement for Goodwin, but the new chief executive has been given plenty of food for thought after the glowing supporter response.