Sir George Martin: Re-read tributes and reaction after death of 'Fifth Beatle' - Liverpool Echo
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George Martin, the Fifth Beatle, Died Today: Here's What's Happening In The World Today - Sharp Magazine
Sir George Martin, Beatles producer, dies aged 90
Sir George Martin, the 'fifth Beatle', dies at 90
Morning tea with the Fifth Beatle, Sir George Martin - Goldmine Magazine: Record Collector & Music Memorabilia
George Martin, the perfect catalyst for the Beatles' success, dies at 90
Sir George Martin - obituary