Roland Kaiser is considered one of the greats of German pop music. An icon of light music who masters the rules of success like no other. A star you can relate to: approachable and credible. A new WDR documentary now traces Roland Kaiser's eventful, exciting, and sometimes dramatic life and career. Pop star Roland Kaiser has been on stage for 50 years. The 70-year-old singer has sold more than 100 million records with hits such as "Joana," "Dich zu lieben" and "Santa Maria." The documentary shows Roland Kaiser, who has once again conquered the top of the charts with his album "Perspektiven," as a private person and family man.