George Martin was a ‘musical genius’ by those who paid tribute to the 'fifth Beatle'

Beatles producer, George Martin, who has died aged 90, has been described as “visionary” and “a musical genius”.

Sean Ono Lennon, son of John and Yoko, posted a picture of Sir 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.”

Singer Lenny Kravitz wrote on Twitter: “The legends are really going home! Visionary producer of The Beatles, George Martin (1926-2016).”