Annie and Kroknes became romantically involved, and began to collaborate musically. Annie's talent for writing melodies and vocals worked well with Kroknes's production skills. Annie launched her solo singing career in 1999 with the single "Greatest Hit". The song was recorded after Annie played Madonna's song "Everybody" for Kroknes, who was experiencing a creative block at the time. Kroknes sampled the song, and Annie started to sing a melody to it. They recorded and released the song under the Tellé label. The song saw a limited release of 500 7-inch singles, which sold out in two days. "Greatest Hit" became an underground club hit in Norway and Britain, and Annie received offers for record contracts. Annie reflects that she and Kroknes had recorded the song "for fun", but with the success of the single, Annie says, "I realized that I could actually make a living out of this." Annie and Kroknes made plans to release an album and began recording "I Will Get On" in 2000. However, Kroknes, who was born with a degenerative heart condition, fell ill near the end of 2000 and was hospitalized repeatedly. In April 2001, Kroknes died of complications from his heart condition at the age of. After that, I was so depressed I just wasn't able to do anything. I stayed at home, away from everyone, completely in my own world. I wanted to make the album with Tore, that was the plan. After he died I just didn't think I had the heart. But then I thought, 'Right, you're really depressed now but you have to make this album. Tore would be quite pissed off if you just stopped doing anything.'Annie, Clubbing Magazine After a hiatus from music, Annie returned to DJing and songwriting in late 2001, running a club night called Pop Till You Drop at the Agora nightclub in Bergen with DJ friend Fröken Blytt. Among the music acts booked for Pop Till You Drop were Peaches, DJ Adam Mac, and Finnish DJ Timo Kaukolampi of Op:l Bastards. Annie later DJed at Kaukolampi's own night club in Helsinki and lent her vocals to some Op:l Bastards tracks.