Question: who sang auld lang syne in sex and the city movie

title: Mairi Campbell
text: Campbell initially gained prominence as one half of the folk band The Cast , alongside her husband David Francis , with whom she has had a long and fruitful collaboration . Their debut album The Winnowing was released in 1994 . The album includes their version of Auld Lang Syne which was featured on the soundtrack of the 2008 movie Sex and the City . The song can be heard during the New Year 's scene of the film , accompanying a montage of the main characters ' activities that night . The Cast recorded another two albums : Colours of Lichen in 1996 and Green Gold in 2007 . 

Answer: answer: Mairi Campbell initially gained prominence as one half of the folk band The Cast. Their album includes their version of Auld Lang Syne which was featured on the soundtrack of the 2008 movie Sex and the City.