Facade sculptor and music: Cruz Novillo. Architect of the building: Ruiz Larrea.

This is the main building of spanish Statistics National Institute, and the facade represents 58 statistics by using 10 colours (=10 numbers=10 musical notes).

Score of the facade sculpture.

How to translate colours to numbers, in order to "read" the facade, that contains statistics of Spain.

This is how the facade sounds (transcription for english horn).