News was published by Mercy’s Anzeiger 23/9/1854 of the celebration on 22nd September 1854 in the church of St Clement of a high mass for the ‘Sekundizfeier’ of the Provost and Seminary Rector Joh. N. Büttner. Present at the occasion was the Cardinal Archbishop Count von Schwarzenberg, Canon Hron and the Prelate Rauch. Over a hundred pupils of the seminary were noted to have been present. No details of the musical content of the occasion were related by the source. A detailed account of the occasion, which was noted to have included a Veni sancte  was published by the newspaper on 24/9/1854