The cal­en­dar of events is always up to date; as a rule, it only con­tains events for which a firm con­trac­tu­al rela­tion­ship already exists.

All infor­ma­tion in the cal­en­dar of events is with­out guar­an­tee! Under no cir­cum­stances the orches­tra is the organ­is­er.