Licht mystical union of Sunday prepares the way for the new life of Monday. "In this way there is neither end nor beginning to the week. It is an eternal spiral" . Each opera is composed from an elaborated form of the corresponding day-segment of the superformula, made by superimposing one or more complete lines from the superformula, compressed to the length of the day-segment. These are named for the day in question (e.g., "Mittwoch-Formel".) The separate acts and scenes often involve further superimpositions of formula material. For example, "Luzifers Traum", the first scene of "Samstag", has a total of five
Night Is the New Day Is the New Day" sold more than 2,000 copies in the United States in its first week of release. "Day and Then the Shade" was the first single, released in late 2009. The promotional video for this song was directed by Lasse Hoile. "Night Is the New Day" shows Katatonia expanding their music palette. The album shows a slightly more progressive sound than "The Great Cold Distance", yet retains the heaviness and morose atmosphere, with electronics and synths playing an important role. The big, heavy parts are interspersed with quiet, somber electronics, and acoustic guitars. Each song transforms frequently, changing