The church Chor St. Maximilian is headed since November 1982 by Gerald Häußler headed. In addition to fulfilling the tasks of the liturgy, there is a lively concert life. The repertoire is currently, inter alia, the following works: Weihnachts-Oratorium (BWV 248), Johannes-Passion (BWV 245); W.A. Mozart: Requiem; Felix Mendelssohn: Elijah, George Frideric Handel: Messias; Johannes Brahms: Ein Deutsches Requiem; as well as a-cappella motets by Felix Mauersberger and Knut Nystedt.
Even outside the community the choir can be regularly heard, e.g. under the subscription concerts of the Unterhachinger Kubiz or Musiksommer between Inn and Salzach. In the north of Bavaria, there were performances at the Festival of Bad Brückenau. Concert tours to northern Italy have been possible by the support of the Banca Popolare di Bergamo. In Milan they gave a-cappella concert in the series Milano Classica and participated in a service at the Cathedral. In Bergamo they gave a guest concert with G.F. Handel's Messiah and Haydn's Paukenmesse a concert in Como.
With Carmina Burana by Carl Orff, they had in June 2002, a full house in Munich's Prinzregententheater. In 2004 they appeared at the Passauer Dom in the musical framework for Patroziniumamt with the Missa Brevis by Simon Mayr. Since 2004, the choir participated in the bel canto opera galas at the Herkules-Saal and with Philharmonic. Among the highlights of the last two years include two concerts in Herkules-Saal (G.F. Handel's Messiah and Felix Mendelssohn's Elijah), and a concert at the Allerheiligenhofkirche (Petite Messe Solennelle by Rossini). In addition to weekly rehearsals in Pfarrheim, the choir rehearses also during weekends at the Kloster Zangberg or Kloster Rohr.
Gerald Häußler appears as a concert and oratorio singer (baritone) and is a member of the Bavarian Radio Choir. He is also artistic director of the Männerchores München-Ramersdorf.