Music producer Quincy Jones, who collaborated with Jackson on three of his best-selling albums, “Off the Wall,” “Thriller” and “Bad,” said in a statement:

“I am absolutely devastated at this tragic and unexpected news. For Michael to be taken away from us so suddenly at this young age, I just don’t have the words.

He added: “He was the consummate entertainer and his contributions and legacy will be felt upon the world forever. I’ve lost my little brother today and part of my soul has gone with him.”

Lisa Marie Presley, daughter of rock great Elvis Presley and who was married to Jackson in the mid-1990s, said in a statement:

“I am so very sad and confused with every emotion possible. I am heartbroken for his children who I know were everything to him and for his family. This is such a massive loss on so many levels, words fail me.

Actress Brooke Shields, a longtime friend of the “King of Pop,” said in a statement released through her publicist:

“My heart is overcome with sadness for the devastating loss of my true friend Michael. He was an extraordinary friend, artist and contributor to the world. I join his family and his fans in celebrating his incredible life and mourning his untimely passing.”

Pop star Madonna told People magazine: “I can’t stop crying over the sad news ... I have always admired Michael Jackson. The world has lost one of the greats but his music will live on forever. My heart goes out to his 3 children and other members of his family. God bless.”

Representatives for actress Elizabeth Taylor, another of the singer’s longtime friends, said she was “too devastated by the passing of her dear friend Michael Jackson to issue a statement at this time” but promised one later.

Former Guns N’ Roses guitarist Slash, who performed Jackson’s 1991 hit “Black or White,” said: “Really sad news about Michael. He was talent from on high.”

Entertainer Liza Minnelli told Entertainment Tonight: “He was a kind, genuine and wonderful man. He was also one of the greatest entertainers that ever lived. I loved him very much and I will miss him every remaining day of my life.”

Neil Portnow, president and CEO of the Recording Academy, the group that organizes the Grammy Awards, said in a statement:

“Rarely has the world received a gift with the magnitude of artistry, talent and vision as Michael Jackson. He was a true musical icon whose identifiable voice, innovative dance moves, stunning musical versatility and sheer star power carried him from childhood to world wide acclaim.

“A 13-time Grammy recipient, Michael’s career transcends musical and cultural genres and his contributions will always keep him in our hearts and memories.”

Rudy Clay, mayor of Jackson’s hometown, Gary, Indiana, called Jackson the “world’s greatest entertainer,” who had made Gary proud.

“Wherever a person from Gary, Indiana, went in the world, people would say, ‘That’s Michael Jackson’s home town.’ So Michael helped Gary just by being from Gary,” Clay told the Chicago Tribune.

“I am so very sad and confused with every emotion possible. I am heartbroken for his children who I know were everything to him and for his family. This is such a massive loss on so many levels, words fail me.” — Lisa Marie Presley, former wife of Michael Jackson and daughter of Elvis Presley.

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“I must confess I am not surprised by today’s tragic news. Michael has been on an impossibly difficult and often self-destructive journey for years. His talent was unquestionable but so too was his discomfort with the norms of the world. A human simply cannot withstand this level of prolonged stress.” — Michael Levine, a publicist who represented Jackson when the singer was accused of molesting a child in 1993.

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“I knew Michael as a child and watched him grow over the years. Of all the thousands of entertainers I have worked with, Michael was THE most outstanding. Many have tried and will try to copy him, but his talent will never be matched.” — Dick Clark, host of the old “American Bandstand.”

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“Michael Jackson was my generation’s most iconic cultural hero. Courageous, unique and incredibly talented. He’ll be missed greatly.” — Russell Simmons, hip-hop entrepreneur and founder of Def-Jam Records.

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“We have lost an icon in our industry and my heartfelt condolences go out to his family and children in this hour of sorrow that they are now going through. He will live on in my memory and most definitely through the music he shared with so many.” — Dionne Warwick, singer and Jackson’s friend.

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“Michael was a pop phenomenon who never stopped pushing the envelope of creativity. Though there were serious questions about his personal life, Michael was undoubtedly a great entertainer and his popularity spanned generations and the globe.” — California Gov. Arnold Schwarzenegger.

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“He was a true musical icon whose identifiable voice, innovative dance moves, stunning musical versatility, and sheer star power carried him from childhood to worldwide acclaim. A 13-time Grammy recipient, Michael’s career transcends musical and cultural genres and his contributions will always keep him in our hearts and memories.” — Neil Portnow, National Academy of Recording Arts and Sciences president.

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“Michael Jackson was my musical God. He made me believe that all things are possible, and through real and positive music. He can live forever! I love Michael Jackson. God Bless him.” — Wyclef Jean, rapper and former member of the Fugees.

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“Michael Jackson was born in Gary, Indiana, and our hearts are heavy, heavy here. Michael Jackson was the world’s greatest entertainer but more than he was great humanitarian and a great, humble individual. The people of Gary, our hearts are full of tears because of the loss of Michael Jackson.” — Gary, Indiana, Mayor Rudy Clay.