Music
Rex Features
The R&B singer said he wasn't sure whether his collaborations with Buchanan and Coyle would appear on his next album or the girlbands' records.
"Keisha and I have done a song together, which we haven't decided on a title for it yet," he told the Daily Star. "But it's looking like either 'Far Away' or 'Don't Leave'.
"I'm doing a track with Nadine too. It might be for my next album or theirs, we don't know yet."
He added: "I'm also writing with Ronan Keating for the Boyzone album. As a songwriter it's so good to diversify. I love getting in the studio."
Sean recently signed for Lil Wayne's US label Cash Money and has been asked to perform at the American rapper's Grammys party.
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