This composition serves as a technical exploration of choral polyphony and liturgical expression within the constraints of an unaccompanied double choir. Tarik O'Regan, a composer noted for his work in contemporary choral music, utilizes the specific acoustic requirements of the SATB double choir format to create a dense, layered soundscape. The work functions as a study in harmonic tension and resolution, reflecting the composer's interest in blending traditional liturgical structures with modern compositional techniques.

Experts and choral directors frequently identify this piece as a challenging work that requires high technical proficiency from all vocal sections. It is widely regarded as a significant example of contemporary choral writing that demands precise intonation and rhythmic control from the performers.