"Encyclopédie de l'orgue" on CD by Erato is a comprehensive musical journey into the rich universe of the pipe organ. This edition gathers an impressive cross-section of organ repertoire, interpreted by some of the most renowned organists of the 20th century, including Marie-Claire Alain, André Marchal and Maurice Duruflé, among others. Across multiple periods and styles, the album highlights the organ's liturgical grandeur, its chamber-like intimacy and its orchestral power, making it an ideal reference recording both for connoisseurs and for curious newcomers who wish to explore the instrument in depth. Because this is a mixed-artist release, the focus lies on the stylistic diversity of the works rather than on individual performers. The programme typically spans from Baroque counterpoint and French Classical organ schools through Romantic opulence to 20th-century colours and modal harmonies, allowing listeners to compare registrations, acoustics and interpretative approaches within a single anthology. Carefully sequenced tracks guide the listener from meditative chorales and refined ornamentation to triumphant toccatas and monumental finales. The CD format ensures a clear, detailed sound image that reveals the nuances of registration, the resonance of the churches and the subtle articulation of each piece. This makes "Encyclopédie de l'orgue" not only an enjoyable listening experience, but also a valuable companion for students, organists and music lovers who want to deepen their understanding of the repertoire and the instrument's technical possibilities. The release bears the hallmark of Erato, a label internationally respected for its focus on classical and early music. Founded in France and long associated with high-quality recordings, Erato has built a strong reputation for refined sound engineering, artistically coherent concepts and collaborations with leading European musicians and ensembles. With "Encyclopédie de l'orgue", the label continues its tradition of carefully curated, musically and historically informed productions that stand the test of time in any serious collection.