Score at the Levy Collection:

Title: Can it Be? Can it Be? (Muss i' Denn).
Composer, Lyricist, Arranger: Translated from the German by Geo. W. Birdseye. Arranged by A. Disbecker.
A. Disbecker Publication: New York: Thaddeus Firth, 563 Broadway, 1867.
Form of Composition: strophic
Instrumentation: piano and voice
First Line: Can it be, can it be that I must go
Performer: As Sung in the Drama of "Lorlie's Wedding" by Madame Methua Scheller.