
In 1967 Liebermann was still in charge of the Hamburg opera house. He made sure they offered a good, solid and varied repertoire with special attention to the contemporary repertoire.He built a fantastic ensemble of singers and attracted foreign stars and would-be stars ( the world career of Plácido Domingo took off in Hamburg).
Liebermann is now regarded as the founding father of Regietheater, (German for director’s theater), although his ideas were very different from today’s conceptualism, in which the boundary between the permissible and the ridiculous is sought and often crossed
