"Ich bin der Schneider Kakadu" from the singspiel "Die Schwestern von Prag" "Ich bin der Schneider Kakadu" from the singspiel "Die Schwestern von Prag" composer Wenzel Müller Main opus "Die Schwestern von Prag", singspiel in 2 acts, libretto by Joachim Perinet based on Philipp Hafner