Roine Stolt is a Swedish guitarist, vocalist and composer. A major figure in Sweden's rock history, Stolt led two of his country's most successful progressive rock bands: Kaipa in the 1970s and The Flower Kings in the 1990s onward. In the same vein as frequent collaborator Steven Wilson, Stolt has regularly collaborated with other progressive rock musicians; he has made a guest appearance on several modern progressive rock albums, and multiple progressive rock supergroups include him as a member.