This is a Rílin nezeletŭ, along with its recording. This is called Tímalípin ‘We Remember’. It is, like all nezeletŭ, about the sorrow experienced by those Ríli who were driven from their forest home by the Tosi invaders.
Rílin nezeletŭ (journey-story) + recording (#3)
Aeniith: A Constructed World 