Apple Corps -- which is owned by Ringo Starr ; Paul McCartney ; John Lennon 's widow , Yoko Ono ; and the estate of George Harrison -- has so far refused to license the Beatles ' music catalog for digital sales .
Apple Corps
George Harrison
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Apple Corps
Paul McCartney
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Apple Corps
Ringo Starr
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Apple Corps
John Lennon
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Apple Corps
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Ringo Starr
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Paul McCartney
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John Lennon
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Yoko Ono
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George Harrison