Licht some cases—portions of scenes. These modules may be segments (e.g., the eleven instrumental solo sections from "Orchester-Finalisten" from "Mittwoch"), or layers (e.g., the electronic "Oktophonie" layer from the second act of "Dienstag" or the "Klavierstück XIII" version of the first scene of "Samstag" ("Luzifers Traum"), with the bass voice omitted), or a combination of the two (e.g., the vocal sextet "Menschen, hört" and the "Bassetsu-Trio", which are two layers of the "Karusel" subscene from "Michaelion", the fourth scene of "Mittwoch"). There are seven operas, each named for a day of the week, whose subject matter reflects attributes associated in traditional
German Unity Day in the respective annual celebration to represent the modern borders of Germany. German Unity Day The Day of German Unity () is the national day of Germany, celebrated on 3 October as a public holiday. It commemorates the anniversary of German reunification in 1990 when the goal of a united Germany, that originated in the middle of the 19th century, was fulfilled (with the exception of Austria and the German cantons in Switzerland). Therefore, the name addresses neither the re-union nor the union, but the unity of Germany. The Day of German Unity on 3 October has been the German