Sanna Nielsen wins Swedish Eurovision Song Contest 2014 with the song 'Undo' co-written by UMP writer Fredrik Kempe. Kempe wrote four contributions for the contest, which all made it to the final.

Sanna Nielsen and 'Undo' will represent Sweden in the Eurovision Song Contest in Copenhagen May 6 2014.

The song is currently no.2 in Sweden and no.1 on the iTunes chart.

Kempe's other contributions, 'Blame it on the Disco' (Alcazar), 'Bröder' (Linus Svenning) and 'Yes We Can' (Oscar Zia) have all topped the Swedish iTunes Chart.