 Complete the following phrase:  Among the competing artists were former Melodifestivalen winners Tommy Nilsson 1989 and Martin Stenmarck 2005. Krista Siegfrids had also participated in the Eurovision Song Contest in where she represented Finland. Ace Wilder, After Dark, Anna Book, David Lindgren, Dolly Style, Isa, Linda Bengtzing, Mattias Andréasson, Molly Pettersson Hammar, Molly Sandén, Oscar Zia, Panetoz, Patrik Isaksson, Pernilla Andersson, Samir and Viktor, Swingfly and Uno Svenningsson have all participated in Melodifestivalen during previous editions. In addition to having participated in Melodifestivalen previously, Molly Sandén also represented Sweden in the 