"We had come up with this idea to have me and George Michael sitting in a auto, and it was the first time I had ever sung in a vehicle with anybody".
Fadi Fawaz, who found the Wham! star dead on Christmas Day, is speaking to officers to help them prepare a report for the coroner.
Fawaz, 40, had previously told the Daily Mirror he fell asleep in his vehicle on Christmas Eve.
"The response has been overwhelming", the club's marketing manager Anthony Night told Evening Standard. The police know everything.
A Thames Valley Police source told the Daily Mirror: "They will talk to all sorts of people and that will be standard so they can present a file to the coroner on the circumstances leading up to his death".
"It's literally putting together the facts and figures about where someone was and the circumstances. That's the most important thing".
Daniel Sturridge and James Milner latest from Jurgen Klopp following Sunderland draw
Get all kinds of stories, rumors, game coverage, and Vines of dudes getting hit in the beans in your inbox every day. Klopp has explained how the club, often a flowing, free-scoring outfit in games this season, held out for a 1-0 win.
"Originally we had planned the event for the Thursday however we've had thousands of messages and calls from fans begging us to change it to the weekend so they have time to travel from across the United Kingdom to attend the event", Night added.
Investigators have asked a paparazzi agency to hand over photos showing anyone who visited George Michael at his home prior to his death.
The Careless Whisper singer was found dead at his home in Oxfordshire, England, on Christmas Day.
A post-mortem was carried out last week on George's body but it failed to identify the cause of death and now toxicology tests are underway to determine what ended his life.
Officially, 53-year-old Michael's death is still being treated as "non-suspicious".