Madonna is ``easy'' to collaborate with and ``works tirelessly in the studio,'' according to Paul Oakenfold, who produced her 'Celebration' track.
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Madonna works 'tirelessly' in the studio
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Madonna to set up trust fund for Mercy
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Oakenfold: 'Celebration is sound of tomorrow'
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No Doubt enters the studio
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Madonna 'flips out' over Britney Spears track
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Rihanna says relationship with boyfriend Matt Kemp is 'so easy', a year after Chris Brown attacked her
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Madonna celebrates New Year in India
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Lady Gaga's a total Madonna
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Britney Spears & Rihanna plan to collaborate on a song
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Mel B parties with Paul Oakenfold
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Madonna is a material girl
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Madonna named 'most famous celebrity of the decade'
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Madonna pays emotional tribute to Michael Jackson at MTV vmas
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Coldplay, Madonna 'snubbed' by MTV
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Katy Perry wants a career like Madonna's
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Kylie Minogue set ``benchmark'' for Gaga
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Ritchie still loves 'retarded' Madonna