A June 6, 1986 newspaper clipping from Minnesota detailing the incredible demand for Prince’s 28th birthday concerts in Detroit, where an 11,923-seat arena show sold out in just 45 minutes, leading promoters to add a second performance the same weekend. Publication: Post-Bulletin Date: Friday, June 6, 1986 Country: United States Section / Pages: Entertainment / Local News section Title: A big birthday party THE STORY The article, sourced from the Associated Press, reports on