Calvin Harris says Rihanna wanted a song in two days
1 November 2012 Last updated at 11:55 GMT
Calvin Harris has revealed that Rihanna asked him to work on her new album but that he could not create the track within the two day deadline he was given.
Harris' new album 18 Months features collaborations with the likes of Rihanna, Ellie Goulding, Tinie Tempah, Dizzee Rascal, Ayah, Nicky Romero and Dillon Francis.
He also revealed that he would like to work with Emeli Sande but says the singer is too busy.
The DJ, singer and producer was speaking to Newsbeat's Nesta McGregor.