Roland Kaiser has invited a wide range of well-known artists, such as Ronan Keating, Adel Tawil, Glasperlenspiel, Wolfgang Niedecken and BAP, Maite Kelly, Ben Zucker, Sarah Zucker, Santiano, Annett Louisan, Jeanette Biedermann, Max Raabe, David Garrett, Götz Alsmann, Sotiria, Oonagh, Joel...
