Sweden chose their entrants , The Ark , with the song ' The Worrying Kind ' for the Eurovision Song Contest 2007 . Sweden used a national final format for Melodifestivalen 2007 , which consisted of four semi-finals on February 3 , February 10 , February 17 , February 24 ; a second chance round on March 3 ; and the final which took place on March 10 . The method of selection remained the same as previous years with 4 semi-finals consisting of 8 songs each , with the 2 top placed entries securing spots for the final and the 3rd and 4th place entries earning spots in the Second Chance . The winner was chosen by regional juries ( 50 % ) and televoting ( 50 % ) . The Second Chance round was live this year with competitors going up against each other for the last two spots in the final , facing off in a bracket-based tournament . Some familiar faces returned to Melodifestivalen this year , among them Eurovision 1989 representative Tommy Nilsson , 1966 representative Svante Thuresson , 2003 representative Jessica Andersson , and 1996 representative Nanne Grönvall . Andreas Lundstedt also went to Eurovision in 2006 for Switzerland
Eurovision Song Contest 2007
Eurovision Song Contest 2007
Sweden in the Eurovision Song Contest 2007