Roland Kaiser owes his biggest hit to his wife. Kaiser's wife Silvia played a crucial role in the song's mega success.

The Schlager Kaiser is celebrating his 50th stage anniversary with a big stadium tour. Four open-air concerts on the banks of the Elbe in Dresden have already been completely sold out. In his upcoming ZDF anniversary show, Roland Kaiser and Maite Kelly explained how their joint mega hit “Why didn’t you say no” came about.