In November 2003, while promoting her fourth studio album "In the Zone", Spears told "Entertainment Weekly" that she was already writing songs for her next album and was also hoping to start her own record label in 2004. Henrik Jonback confirmed that he had written songs with her during the European leg of The Onyx Hotel Tour, "in the bus and in her hotel room between the concerts." Following her marriage with Kevin Federline in October 2004, Spears announced through a letter on her official website that she was going to "take some time off to enjoy life." However, on December 30, 2004, she made a surprise appearance at Los Angeles radio station KIIS-FM to premiere a rough mix of a new midtempo track, "Mona Lisa". Spears had recorded the song live with her band while on tour, and dedicated it to all the "legends and icons out there." The lyrics lament the fall of Mona Lisa, calling her "unforgettable" and "unpredictable", and cautions listeners not to have a "breakdown". She also revealed she wanted the song to be the first single of her upcoming album, tentatively titled "The Original Doll", and hoped to release it "probably before summertime , or maybe a little sooner than that." In January 2005, Spears posted another letter on her website, saying,