<Tr> <Th> Producer (s) </Th> <Td> Paul Epworth </Td> </Tr> <P> At a press conference on 10 November 2014, Geldof and Ure announced that another group of artists would come together to re-record the song, this time under the banner of Band Aid 30 and in aid of the Ebola crisis . It was released on the following Monday, 17 November, 11 days short of the 30th anniversary of the release of the original version of the track . </P> <P> Tracey Emin provided the artwork and Paul Epworth produced the track . Vocal contributions came from artists including Ed Sheeran, One Direction, Paloma Faith, Ellie Goulding, Seal, Sam Smith, Sinéad O'Connor, Rita Ora, Emeli Sandé, Bastille and Olly Murs . Returning guest musicians from previous versions of the song included Chris Martin (who recorded the opening lines of the 2004 version) and Bono (who sang the tenth line in both the 1984 and 2004 versions). The line "Well, there won't be snow in Africa this Christmas time" was changed to "Bring peace and joy this Christmas to West Africa". </P> <Table> <Tr> <Td> <P> Vocalists: </P> <Ul> <Li> Bastille </Li> <Li> Bono (U2) </Li> <Li> Alfie Deyes </Li> <Li> Paloma Faith </Li> <Li> Guy Garvey (Elbow) </Li> <Li> Ellie Goulding </Li> <Li> Angélique Kidjo </Li> <Li> Chris Martin (Coldplay) </Li> <Li> Sinéad O'Connor </Li> <Li> One Direction </Li> <Li> Rita Ora </Li> <Li> Olly Murs </Li> </Ul> </Td> <Td> <Ul> <Li> Emeli Sandé </Li> <Li> Seal </Li> <Li> Ed Sheeran </Li> <Li> Sam Smith </Li> <Li> Joe Sugg </Li> <Li> Zoe Sugg </Li> <Li> Karl Hyde (Underworld) </Li> <Li> Jessie Ware </Li> </Ul> <P> Musicians: </P> <Ul> <Li> Milan Neil Amin - Smith (Clean Bandit)--violin </Li> <Li> Grace Chatto (Clean Bandit)--cello </Li> <Li> Roger Taylor (Queen)--drums, keyboards </Li> </Ul> <P> Additional personnel: </P> <Ul> <Li> Paul Epworth--producer </Li> </Ul> </Td> </Tr> </Table>

Who sang the opening line of do they know it's christmas