He said: "I got the tickets for her at Christmas time, so she had no idea we were coming.
They remained at the scene overnight and an investigation into what caused the blaze was due to start today.
He said: "We had just ordered the meal and then we were told to evacuate the building.
Firefighters wearing breathing equipment carried out a full search of the car park after the fire was out. Nobody is thought to have been injured in the blaze.
Flames shoot 40ft in air and explosions heard as fire rips through city car park
The fire could be Nike Kyrie 1 Gold
Gavin Tomlinson, Derbyshire Fire and Rescue Service area manager, said: "The fire was starting to spread to the Assembly Rooms itself but we managed to stop it.
At one point, firefighters were moved back from the scene due to the Nike Lebron Zoom Soldier 8 Price ferocity of the flames.
"A woman passing said that she had called the fire service minutes earlier, then I could hear a siren.
He said: "I had just driven into the car park and I could smell smoke. Then, as I was walking to meet my wife, Marilyn, in the Quad, I could see thick, acrid smoke.
Water was pumped from the River Derwent by the firefighters, some of whom had come from most Derbyshire stations and Nottinghamshire and Staffordshire.
Barrie Farnsworth, 62, of Sandham Lane, Belper, said his car was one of the last to be parked in the car park, at about 5.30pm.
"I went back to see if I could get to my car but police were there and would not let me get to it."
"We came out and smelled smoke, then saw flames. I was very concerned because I had parked my Mercedes a few floors down from the fire."
"I was ushered behind a police cordon near Cathedral Green and could see fire. There was a couple of loud bangs and, within about five minutes, there were huge Nike Zoom Pegasus 92 Casual
Retired Bill Wicks, of Gregory's Way, Belper, said he had gone for a meal at Ask, in the Market Place, and was planning to go to the Anton du Beke: Ballroom to Broadway show afterwards.
director, said: "It was fortunate it did not happen three hours later when the car park and the Assembly Rooms would be full of cars and people."
And Craig Smith, 26, of Long Eaton, said: "I parked my motorbike up on a side street near the car park and was looking in a nearby lettings agent. Then one of the workers said we've got to get out, because there was a fire.
seen from all directions across the city, including in Mickleover, Chaddesden and Spondon.
Explosions were heard at the scene and, at times, 20ft fire tornados could be seen rolling along the edge of the building, spurting flames.
"Then someone pointed up to the top of the Assembly Rooms and said: 'There's a fire' I looked and I could see the flames.
Suzanne, 57, said: "I was a bit upset when I realised I was going to miss the show. However, Anton du Beke was also outside and was lovely, signing autographs and giving us cuddles."
flames across the top of the car park."
Derbyshire Fire and Rescue confirmed that the fire "looked to have started in the plant room" on top of the car park, which had been completely burnt out.
His wife, Pauline, added: "The main thing is nobody is understood to be hurt and the car is insured."
Dave Goodall, 67, of Nevinson Drive, Littleover, had taken his wife, Suzanne, to see the Anton du Beke show as a surprise.
Pete Meakin, Derby Live creative Nike Lebron 12 Data On Feet
Two shows at the Assembly Rooms, one featuring top dancer Anton du Beke, were called off as the extent of the blaze and resulting disruption became apparent.
"We parked up in the Westfield and walked to the Market Place. Then we saw the smoke and flames."
Nike Lebron Zoom Soldier 8 Price
Nike Zoom Odyssey Women's
Nike Roshes Junior
Nike Lebron 12 Nsw Lifestyle
Nike Kyrie Irving 3
Nike Lebron 10 Red And Black
Roshe Run Women
Nike Metcon Total Orange Dove Grey
Blue Nike Roshe
Nike Roshe Run 2018 Colorways
Nike Lebron Soldier 10 All Black
Nike Metcon 2 Men Black
Nike Zoom Shoes 2016
Nike Lebron Soldier 8
Nike Lebron 11 Elite Blue 3m Price
Nike Roshe Run Women Floral Pink