 However, he was conscripted in the military during World War II, and his predecessor Schmitz returned.Massenkeil took detailed notes about the choir's history, mentioning for example that on 19 November 1933 the oratorio "Die heilige Elisabeth" by Joseph Haas was performed.On 16 January 1938, a celebration of the 75th anniversary of the church choir, it presented a cappella works in the Pontifical High Mass, and in a vespers service works from the "kirchenmusikalisches Schaffen zeitgenössischer Komponisten der Kölner, Münchener, Berliner und Wiener Schule" (sacred works by contemporary composers of the Munich, Berlin and Vienna school), for example Hans Lang's "Laudate Domino" and Franz Philipp's "Tantum Ergo".