Die beiden Klaas ('Rich Klaus, poor Klaus')
Comic opera in three acts. Text by K.M. von Levetzow, Op.42 (1932-1933)

Soli: 1 sop, 1 ms, 1 alto, 1 ten, 1 bar, 2 bassOrch: 2(picc),2(cor),2(bcl,altosax),2(cbn);2,2,1,0; timp; perc; str.; 1 scene
Duration: full evening
Publisher: B.Schotts Söhne, Mainz, 1934
Availability: Schott: vocal score available form the publisher; orchestral material available privately. English version available.

First performance: York, May 1990 (English) (Bresnen/York Opera)