As is common with Adiemus albums, the cover art of releases in certain regions may be different. Personnel for Adiemus III Adiemus – Performer David Buckland – Photography Martin Giles – Mastering Nick Harris & The Soundbarriers – Assistant Engineer Helen Hodkinson – Executive Producer, Associate Producer Jody Jenkins – Electric Drums Karl Jenkins – Composer, Conductor, Producer, Orchestration Dick Lewzey – Engineer London Philharmonic Orchestra Matt Marshall – Executive Producer Russell Mills – Artwork, Design Duncan Riddell – Orchestra Leader Säde Rissanen – Vocals Sheila Rock – Photography Mia Simanainen – Vocals Miriam Stockley – Vocals Nina Tapio – Vocals Pamela Thorby – Recorder, Gemshorn Riikka Väyrynen – Vocals Michael Webster – Design Assistant Adiemus IV: The Eternal Knot Released in 2001, this album was inspired by Celtic history and mythology, and served as the soundtrack to the S4C International documentary The Celts. In addition to rich string orchestrations and vocals borrowing from world musical styles common to Adiemus, Jenkins adds the accompaniment of ethnic instruments such as the Uilleann pipes and Carnyx. Track listing for Adiemus IV "Cú Chullain" – 6:15 "The Eternal Knot" – 4:04 "Palace of the Crystal Bridge" – 3:42 "The Wooing of Étaín" – 5:25 "King of the Sacred Grove" – 6:05 "Saint Declan's Drone" – 3:58 "Salm O 'Dewi Sant'" – 4:23 "Connla's Well" – 4:19 "The Dagda" – 7:56 "Children of Dannu" – 3:32 "Ceridwen's Curse" – 4:30 "Hermit of the Sea Rock" – 1:45 "Isle of the Mystic Lake" – 3:16 "Math Was a Wizard" – 2:57 Personnel for Adiemus IV Adiemus Orchestra Karl Jenkins – Conductor Miriam Stockley – Vocals Mary Carewe – Additional Vocals in Choruses Pamela Thorby – Recorder Caryl Ebenezer – High Soprano Davy Spillane – Uilleann Pipes Martin Taylor – Acoustic Guitar David Farmer – Accordion Catrin Finch – Harp Jody K Jenkins – Carnyx Effect and Percussion Alternate versions of Adiemus IV The theme from "Salm O 'Dewi Sant'" is derived from "Psalm 27" of Jenkins's Dewi Sant. The theme from "The Dagda" was borrowed from "Lacus Pereverantiae" from Jenkins's earlier work Imagined Oceans. The theme for "Isle of the Mystic Lake" is that of "Palus Nebularum" also from Imagined Oceans. "The Eternal Knot" went on to become the theme for "Benedictus" from Jenkins's mass The Armed Man. As is often the case with albums in the Adiemus project, releases in different regions may have