Sinead O'Connor's 2003 recording of Regina Caeli stands as a poignant addition to her catalog, blending her signature raw vocal delivery with a somber, atmospheric arrangement. The track reflects her continued exploration of spiritual themes and personal vulnerability, characteristic of her work during this period. Released on the album She Who Dwells, the song captures the essence of her unique style, merging traditional religious motifs with a modern, introspective sound. It serves as a testament to her ability to reinterpret sacred texts through a deeply personal lens, maintaining the emotional intensity that defined her earlier career while evolving her musical approach. The recording remains a significant example of her contribution to contemporary folk and alternative music, showcasing her enduring capacity to evoke profound reflection in her listeners.