Intimate chamber quartet set in a dim dormitory with iron beds, entirely sung-through with seamless recitative transitions, beginning in near silence after a percussive labor number, tempo slow and suspended around 56–60 bpm, built on a low sustained cello drone and subtle harmonium pad, no percussion at first, vocal lines exposed and breath-driven, each girl entering with distinct tonal color (lyric soprano fragile and pure, mezzo sharp and rhythmic, alto grounded and dark, light soprano open and searching), harmonies starting sparse in unison and expanding into close, aching four-part clusters, dynamic swells created through vocal layering rather than instrumentation, occasional soft metallic bed-frame resonance for atmosphere, emotional tone intimate, restrained, confessional but unsentimental, transitions between solos delivered as sung dialogue in half-recitative style, ending with a faint organ note hinting at the priest’s motif to foreshadow the coming confrontation.