“'The tri-coloured play with music begins' (in Deutsch: Das Drei Farben Singespiel beginnt..)the cast is as followsDr. and MRS. Knarre, a married coupleFranziska and Charlotte, their daughtersDr. Kahn, a physicianCharlotte Kahn, his daughterPaulinka Bimbam, a singerDr. Singsong, a versatile personProfessor Klingklang, a famous conductorAn Art teacherProfessor and Students at an art academyand Chorus....The action takes places during the years 1913 to 1940 in Germany, later in Nice, France”