Lisa Kristina Ajax is a Swedish-Finnish singer. She began her career after winning Idol 2014, and is also known for her five Melodifestivalen participations, having qualified to the final on four occasions.

Melodifestivalen 2017 was the 57th edition of the Swedish music competition Melodifestivalen, which selected Sweden's entry for the Eurovision Song Contest 2017. The competition was organised by Sveriges Television (SVT) and took place over a six-week period between 4 February and 11 March 2017.