In 1974 she received her doctorate at the University of Vienna with a dissertation on Music aesthetics in the early 19th century as presented in the "Leipziger Allgemeine musikalische Zeitung".
From 1975 - after marriage to Joachim Diederichs [de] (art historian from the publishing family Eugen Diederichs) and three children - she worked as a freelancer, first in Kassel (Bärenreiter-Verlag, Kasseler Musiktage), then in Wilhelmshaven (adult education centre, lectures, seminar leadership).
In the Österreichische Musikzeitschrift run by her mother where she started working as a staff member in 1970, she became co-publisher from 1980 on,[1] took over the company in 1986 and was mainly responsible for the ÖMZ and the Verlag Lafite from 1990 on.
She started creative cooperations with composers' associations and also with musicology, opened the journal on current art music as well as on cultural-political questions with a forum of contemporary music discussions and accentuated (personally) special issues on music-aesthetic, pedagogical or gender-oriented topics.
The performance of the family business is based on the consulting activities of Manfred Wagner [de] and Hartmut Krones[3] as consultants, in cooperation with the Ministry of Foreign Affairs, the Austrian Academy of Sciences and other institutions was extensively documented for the 50th year in 1995 at a ceremony at the University of Music and Performing Arts Vienna, exhibitions at the European Forum Alpbach and at the Austrian National Library.