Since 1990 Schubeck has operated an outside catering service , which has catered for many high-class events like the Federal Chancellorâ s celebration , the Ball des Sports and the German music industryâ s ECHO award ceremony . Since 1990 Schubeck operates a catering service and supplied many first-class events like the Federal Chancellorâ s celebration , the Ball des Sports and the German music industryâ s ECHO award ceremony .