A public notice from the Committee of the Reading Room for German Students was published by Prager Morgenpost 2/12/1863 announcing: ‘Rehearsal. The gentlemen singers are obligingly requested to attend on 3rd December 8pm in the Theatre Hall Nr.558 Zeltnergasse. The Committee of the Reading Room of German Students.’ The rehearsal would have been for the benefit concert being given for the Reading Room scheduled for 8/12/1863.