Being Nielsen 's seventh participation in the selection , " Undo " participated in the second semi-final of the 2014 Melodifestivalen which was held in Linköping 's Cloetta Center on 8 February 2014 . The previews of the second semi-final songs , including " Undo " , were published on 6 February 2014
2014 Melodifestivalen
Melodifestivalen 2014
Undo (Sanna Nielsen song)