Each season he produced an opera of the modern classical repertoire together with the renowned director Hans Hartleb, among others Wozzeck, Lulu, Cardillac, Karl V. and Der junge Lord,[3] which were enthusiastically received by the audience.
In addition to the great classical-romantic repertoire, the concert programme also included works of classical modernism as well as performances of younger composers.
A major concern for him was the continuous work with the Municipal Choir, with which he regularly performed at the Eifel Music Festival in Steinfeld Abbey in addition to the concerts in Aachen.
In addition to numerous television and radio productions at home and abroad, he has given guest opera performances in Hamburg, Stuttgart, Cologne, Düsseldorf, Rome, Monte Carlo, the Netherlands and Belgium.
In 1974, Trommer followed a call to the Robert Schumann Hochschule Düsseldorf and took over the conducting class there as professor, from which a large number of his students are now active in renowned opera houses and concert halls in Germany and abroad.
[5] During his time in Aachen, Wolfgang Trommer was already head of the conducting, orchestra and opera class at the Maastricht Conservatory, where he worked for 20 years.
[3] He has personally taken part in the upswing that the musical life of this country has taken in recent years through the invaluable initiative of Dr. José Antonio Abreu.
In the meantime, Trommer has conducted some of the most important orchestras in the country and has guided a large number of talented young conductors in courses.
This intensive collaboration with the enthusiastic South American musicians was always a confirmation for Trommer of how important it is to be able to pass on experiences he has gained himself to young people.