Radio 2 star Gambaccini described the Saturday night music series as "karaoke" and claimed that the US version on NBC had only benefited the show's star coaches, rather than the musical acts.
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"The Voice is a karaoke competition, full stop," Gambaccini told the Radio Times. "Although the American series was fantastic to rejuvenate the careers of two of the judges [Christina Aguilera and Maroon 5's Adam Levine], it didn't give us a viable artist."
Fellow DJ Mark Goodier also questioned the motives of Universal Music, who will sign the winning act and look after three of the show's coaches - will.i.am, Sir Tom Jones and Jessie J.
"Universal have to be doing this because they want market share," said Goodier. Commenting on the show's potential to become a huge hit in the UK, he added: "It really depends on whether they find a star or not. I have no idea whether they have."
The Voice UK launches on Saturday, March 24 at 7pm on BBC One.
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Watch a clip from The Voice UK below:
