It was what they call a gast-rolle night at the Royal Grand Ducal Pumpernickelisch Hof--or Court theatre--and Madame Schroeder Devrient, then in the bloom of her beauty and genius, performed the part of the heroine in the wonderful opera of Fidelio. 
They went on to the Grand Theatre, where Madame Devrient, then in the bloom of her beauty and genius, sang in the wonderful opera of Fidelio. 