George Martin has been described as "visionary" and "a musical genius" as tributes flooded in following his death at 90.
Sean Ono Lennon, son of John and Yoko, posted a picture of George on Instagram with the caption: "R.I.P. George Martin. I'm so gutted I don't have many words. Thinking of Judy and Giles and family. Love Always, Sean."
Beatle Ringo Starr wrote on Twitter: "God bless George Martin peace and love to Judy and his family love Ringo and Barbara. George will be missed."
Alongside a picture of George with the Fab Four he added: "Thank you for all your love and kindness George peace and love."
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[/raw]God bless George Martin peace and love to Judy and his family love Ringo and Barbara George will be missed xxx 😎✌️🌟💖☮
— #RingoStarr (@ringostarrmusic) March 9, 2016
Singer Lenny Kravitz wrote on Twitter: "The legends are really going home! Visionary producer of TheBeatles, George Martin (1926-2016)."
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[/raw]The legends are really going home! Visionary producer of #TheBeatles, George Martin (1926-2016). pic.twitter.com/X8sVf9iNQ7
— Lenny Kravitz (@LennyKravitz) March 9, 2016
Liam Gallagher wrote simply: "Sir George Martin RIP LG x"
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[/raw]Sir George Martin RIP LG x
— Liam Gallagher (@liamgallagher) March 9, 2016
Singer Josh Groban said: "Every time I record at abbey road I geek out and play with the mics sir George Martin used. What an ear, what a life, what a legacy."
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[/raw]Every time I record at abbey road I geek out and play with the mics sir George Martin used. What an ear, what a life, what a legacy.
— josh groban (@joshgroban) March 9, 2016
Television presenter Piers Morgan said: "RIP Sir George Martin. The 5th Beatle, producer extraordinaire & a musical genius."
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[/raw]RIP Sir George Martin.
— Piers Morgan (@piersmorgan) March 9, 2016
The 5th Beatle, producer extraordinaire & a musical genius. pic.twitter.com/Gj0IfYuuLK
British Prime Minister David Cameron also paid tribute online, writing: "Sir George Martin was a giant of music - working with the Fab Four to create the world's most enduring pop music."
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[/raw]Sir George Martin was a giant of music - working with the Fab Four to create the world's most enduring pop music.
— David Cameron (@David_Cameron) March 9, 2016