This collection investigates the structural and stylistic possibilities of the prelude and fugue form within the context of contemporary organ performance. Howard Skempton, a noted British composer, utilizes the traditional 24 major and minor keys as a framework for this expansive set of solo organ works. By incorporating both traditional musical structures and personal thematic motifs, the author provides a comprehensive exploration of modern organ composition. The work serves as both a pedagogical resource and a performance repertoire for advanced musicians.

Experts and recitalists frequently highlight this collection as a significant contribution to contemporary British organ repertoire. The work is noted for its accessibility to students while maintaining enough technical and stylistic variety to challenge professional performers.