This Song serves to absorb a higher-level life form into the Soulspace of the singer, which also allows communication between life forms of both levels. It also doubles as a dictionary and translation software that allows the singer to understand and talk to these life forms as if she natively spoke the language they use. However, only Tyria is capable of singing it due to being the only living Reyvateil capable of accessing the frequencies the Planet uses to express its Will, and while a Reyvateil compatible with her would be able to sing it, a normal Pureblooded β-Type or γ Sublimate would be unable to provide the energy required for its execution, and they don't have either the access to the Binary Field the Song requires to manifest its effects. Likewise, only the Tower of Harvestasha