"Heartstrings" is a song by Swedish singer Janet Leon. After Janet was officially confirmed as an contestant for Sweden's Melodifestivalen songwriting competition. Leon performed the song, written by Fredrik Kempe and Anton Malmberg HÃÂ¥rd af Segerstad, in third heat of the competition in SkellefteÃÂ¥ on 16 February 2013. Janet placed in fifth in the semi-finals and did not qualify for the next round. The song charted 36 on the Swedish charts.