Oprah Winfrey, Elton John and Barack Obama among famous figures paying tribute to Quincy Jones

Oprah Winfrey, Sir Elton John and Barack Obama among the famous figures who have paid tribute to Quincy Jones following his death at the age of 91.

Following the announcement of his death on Monday, a string of friends, collaborators and admirers have been speaking out to praise the music producer and composer.

TV host Oprah Winfrey said her life "changed forever for the better" after meeting Jones as he helped secure her role in the 1985 film adaptation of The Colour Purple, which earned her an Oscar nomination.

Jones, the jazz musician known for collaborating with the likes of Frank Sinatra and Michael Jackson, wrote the film score and also co-produced the film.

Winfrey wrote on Instagram: "My beloved Q. The world's beloved Q. The one and only Quincy Jones 'discovered' me for The Color Purple movie in 1985. My life changed forever for the better after meeting him.

"I had never experienced, nor have since, anyone who's heart was so filled with love.

"He walked around with his heart wide open, and he treated everybody as if they were the most important person he'd ever met. He was the Light. No shadows.

"He was love lived out loud in human form and he was the first person I ever loved unconditionally."

Whoopi Goldberg, who was also in The Colour Purple, also wrote on Instagram: "I was lucky enough to have him in my life for all these years.

"My heart is breaking for his friends and his extended family who loved and adored him… my condolences."

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Former US president Barack Obama, who honoured Jones with the US National Medal of Arts in 2010, said: "For decades, Quincy Jones was music.

"From producing Thriller, to composing the score for The Color Purple, to working with Frank Sinatra to Ray Charles, it seemed like every big record – and every big film – had Quincy's name on it.

"His music appealed to listeners of every race and every age. And by building a career that took him from the streets of Chicago to the heights of Hollywood, Quincy paved the way for generations of Black executives to leave their mark on the entertainment business."

He added: "Michelle and I send our thoughts to Quincy's friends, family, and everyone who has lived their lives to his songs."

Sir Elton John remembered Jones as someone who had a more "incredible" career in music than anyone else.

He shared a photo with him at the Elton John Aids Foundation Oscar viewing party, and called him a "loyal supporter of this important fundraiser".

The singer added: "Nobody had a career as incredible as Quincy Jones. He played with the best and he produced the best. What a guy. Loved him."

Rapper Ice T hailed Jones as a "genius", while US Grammy-winner Lenny Kravitz said he was "speechless", but added: "What a life. What an expression of authenticity. What a teacher. I am humbled that I was given the gift of your openness and friendship".

Destiny's Child singer Kelly Rowland thanked Jones for being "such a wonderful teacher" and creating the soundtrack to "some of the most extraordinary moments" in her life.

Jones also helped to launch and was an executive producer on the popular US sitcom The Fresh Prince Of Bel-Air, starring Will Smith.

Smith said: "Quincy Jones is the true definition of a mentor, a father and a friend. He pointed me toward the greatest parts of myself. He defended me. He nurtured me.

"He encouraged me. He inspired me. He checked me when he needed to. He let me use his wings until mine were strong enough to fly."

Chic co-founder Nile Rodgers, who was friends with Jones, shared a video that said "Rest In Power Quincy Jones. The Greatest of All Time".

Peter Hook, the bassist and co-founder of Joy Division and New Order, wrote on social media: "It's so sad to hear about Quincy Jones. When he signed us to his label, he made us feel so welcome – inviting us to dinner at his home every time we were in town.

"He made us big in America. He was so humble & sweet that you immediately fell in love with him."

Hook added: "And to this day I still got a lovely message from him every year on Christmas and birthday cards! A musical genius and a great, lovely man."