Chaka Khan performs “Betcha” and “Sweet Thing” at the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

In an interview with The Associated Press, Khan said Prince’s funky, syncopated music is a “brand that’s going to live forever.”

“There’ll always be somebody that says, ‘Ooh, that sounds real Prince-like, you know what I’m saying? His name will come up throughout millennia,” Khan said.

Chaka Khan brought Stevie Wonder onstage to duet on Prince’s “I Feel for You,” at the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

The two then performed “1999.” 

Stevie Wonder and Tori Kelly perform during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Kelly performed “Diamonds and Pearls.”

Stevie Wonder performs during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St .Paul, Minnesota.

Judith Hill performs “How Come You Don’t Call Me Anymore” during a tribute to late musician Prince, at the Xcel Energy Center in St. Paul, Minnesota, October 13, 2016.

General view during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Jessie J sings “Nothing Compares 2 U” during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Luke James sings “Do Me, Baby” at the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Morris Day and The Time perform during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Morris Day and The Time perform at the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Ana Moura, a star of Portuguese fado, performs “Little Red Corvette” during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Mint Condition performs during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Mint Condition performs at the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Mayte Garcia performs during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Prince’s younger sister, Tyka Nelson, described the concert as a public memorial to the seven-time Grammy-winner. “I want them to get some closure,” Nelson said of Prince’s fans. “It takes time to kind of get over it, and I see that they are grief-stricken.” She promised there would be future concerts.

Nicole Scherzinger performs during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Doug E. Fresh performs during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Andre Cymone performs during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

3rdeyegirl perform at the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Bilal performs “The Beautiful Ones” during the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Stevie Wonder on stage as “Purple Rain” plays to close out the “Official Prince Tribute - A Celebration of Life and Music” concert at Xcel Energy Center on October 13, 2016 in St. Paul, Minnesota.

Prince memorabilia covers a fan’s purse at an all-star concert paying tribute to Prince, six months after the influential pop star died, in St. Paul, Minnesota, October 13, 2016.