Nothing concrete about the official Prince tribute concert for U.S. Bank Stadium on Oct. 13 has been announced except the date.

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An official adviser to the Prince Estate, L. Londell McMillan, a lawyer who formerly served as a manager to Prince, told the Associated Press this week that performers and ticket information will be announced after Labor Day. But then the original announcement of the event -- which came from Prince's sister Tyka Nelson -- had promised details in August.

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However, Sheila E has taken preemptive action and announced through her publicist that she’s not scheduled for the Minneapolis concert on Oct. 13. In fact, she’s booked that night in suburban New York City with Sergio Mendes.

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Meanwhile, itineraries for Mint Condition and Morris Day & the Timeconfirm their involvement in the Oct. 13 tribute concert.

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This is what Sheila E, Prince’s former drummer, said in her statement:

“To provide clarity and to avoid confusion, I am not scheduled to perform at the Prince Tribute Concert currently planned for October 13th.

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“In these months after Prince's passing, there is still much being sorted out and discussed. Among them are performances and tributes which have taken place and planned among many different groups and organizations. It is appreciated that each of us; family, friends and fans find ways to display our respect and admiration for one who gave so much to so many. In the course of the days, months and years ahead, I like many of you will continue to honor Prince in various ways. I thank you all for your consideration, love and support of me, all of the Paisley Park families, and the Legacy of Prince, now and in the future.”