Статистика: works by Trojahn 
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Статистика > Композиторы > Германия > Living > Trojahn, Manfred
Permalink: operabase.com/visual.cgi?season=2016&is=opera&by=Trojahn
From the composers database ...
Trojahn, Manfred(b.1949)
https://www.baerenreiter.com/en/program/20th21st-century-music/contemporary-music/manfred-trojahn/ (other)
  (no contact information on file)
German composer, conductor and writer.
compositeur, chef d'orchestre et auteur allemand.
compositore, direttore d'orchestra e scrittore tedesco.
deutscher Komponist, Dirigent und Autor.
From New & Rare 2016/17 ...
"Lyric works designed for staging and classically trained voices, 1 Sep 2016-31 Aug 2017"
"Rare? typically fewer than 13 performance runs in the 5 seasons"
No entry found for this time period
From New & Rare 2017/18 ...
"Lyric works designed for staging and classically trained voices, 1 Sep 2017-31 Aug 2018"
"Rare? typically fewer than 13 performance runs in the 5 seasons"
No entry found for this time period
From the statistics ... works by Trojahn (2012/17)
"Performance runs over the five seasons, 2012/13 to 2016/17" Can't read stats1217_workprod.csv ... aborting