German singer, born 3. May 1952, also a skilled architect.
She joined the Insisters in autumn 1979, left them in 1981 to be member in the band of Ulla Meinecke, which she also left later.
In 1982, she composed some tracks, played them to her boyfriend Reinhold Heil and founded with him Cosa Rosa.
Three Cosa Rosa studio albums were released until Rosemarie died of cancer on 31. January 1991.