Complex sentence: She made her solo debut in 2003 with the Excuse Me 12 on the Paradise Isle label, but her breakthrough track came in 2004 when "1980" was released by the V2 label and reached number 14 on the U.K. pop chart.
Split into simpler sentences: She made her solo debut in 2003 with the Excuse Me 12 on the Paradise Isle label. Her breakthrough track came when "1980" was released by the V2 label and reached number 14 on the U.K. pop chart.