Party people from around the South Island and beyond sang along and danced to the greatest hits of Dr Hook and band and Creedence Clearwater Revisited, who both paid tribute to Christchurch citizens in the wake of the earthquakes.
Many fans came dressed in hippie clothes, while others brought toddlers and picnics.
Katie Matheson, of Cromwell, said the"fantastic" concert seredipitously coincided with the hen party of bride-to-be Carly Gaskin, of Queenstown.
Alan Brady, doyen of the wine industry in the Gibbston Valley, was impressed by the spectacle.
The concert was staged near where the vintners market was planned, as part of the staged development of the Gibbston Valley Station resort.
Several intoxicated people were spoken to by patrolling Queenstown police officers, although the majority of revellers were in a jovial, party mood, Acting Sergeant Phil Hamlin said yesterday.
An intoxicated, "obnoxious and belligerent" 44-year-old Invercargill man was arrested for threatening security guards, but he was later released after being given a formal warning.
A 27-year-old Alexandra man, who was ejected twice due to his "gross intoxication", was arrested for disorderly behaviour and was expected to appear in the Queenstown District Court today.
The man allegedly tried to crawl through the perimeter barbed wire fence and a policeman who tried to stop him was dragged through, too. The man received numerous cuts to his body and the officer suffered a laceration to his hand.
Sgt Hamlin said there had been a few calls to the watch house about the long wait many patrons experienced in the traffic jam into the winery grounds.