前两张EP的合集 Spectral Regression EP was written and recorded by the spring and finished by june of 2013. Climaxia of the band Melencolia Estatica contributed with some vocals on this EP. The theme of the EP follows in the same sense of the first. It is Phosphorus mind of the astral themes, personal aspects, nostalgic senses and also mythological themes as well. Phosphorus - guitars, keys, vocals **Climaxia of Melencolia Estatica participated with vocals on SP.