The structuring of the windows in Unité d’Habitation, Marseille, 1947 (Figure 4) shows various kinds of formations by maintaining the same structure principle subdividing according the golden section. A structural equivalence between music and architecture is obvious in “Ondulatoires” in the music composition “Me-tastasis” by Xenakis and the façade of “La Tourette” by Le Corbusier/Xenakis 1952 [11] . In his book “Architektur und Harmonie” Paul v. Naredi-Rainer [13] characterizes the relation between architecture and geometry: geometry has an important role for architecture in the process of form finding and form development without determining architecture exclusively.