In the mid-1970 's the conductor Claudio Abbado chose him for the title roles in Verdi 's '' Simon Boccanegra '' and '' Macbeth '' at La Scala in Milan .
Claudio Abbado
Milan
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Claudio Abbado
Milan
/people/person/place_lived
PERSON
Claudio Abbado
PERSON
Verdi
LOCATION
La Scala
LOCATION
Milan