Has this been said yet?

I suspect that the song she sings next will be one that Cowell has a financial interest in promoting, and will no doubt choose for her to sing. In the same way that "Hallelujah" was 'chosen' as the finale song for the last national tv talent show he was involved in. Various versions, including Buckley's cover and even Cohen's original, became chart hits - it was all money in Cowell's pocket, for publishing rights.

Ms Boyle's voice is only as good as its ability to make money. Aesthetics hardly enter into any of this. She is latest cog in the Cowell money-making machine.

She has to "save her voice"? Oh, right. This means that Cowell & co have not been able to cut a deal with O. Winfrey's people over television / video / YouTube royalties.