Tale of the Fourth is the fourth CD produced by the Celtic Harp Orchestra, released by Ethnoworld in 2008.

The album consists of three parts: "Tale of the Fourth," "Variations" and "Other Numbers". The first part, "Tale of the Fourth", contains a suite of five songs written and composed according to the Fibonacci sequence. The second part, "Variations", is made of four traditional tunes, rearranged in the peculiar style of Celtic Harp Orchestra. The last part, "Other Numbers," contains three tracks composed by Constable.

Tracks Fibonacci's Primacy Ghost in the Shell Interlude Solve Coagula On Greensleeves Carolan's Concerto On Morrison Jig On the Green Fields of Rossbeg Ling Ling met a Saint in Wonderland Nausicaa Entree

Musicians Fabius Constable : Director, Cello, Harp, Piano.

Donatella Bortone: Soprano

Sabrina Noseda: Harp Chiara Vincenzi: Harp Danilo Marzorati: Harp Pauline Fazzioli: Harp Federica Maestri: Harp Nicolò Righi: Harp Antonella d'Apote : Harp Silla Orlando: Harp Patrizia Rossi: Harp Eleonora Latis: Harp Teodora Cianferoni: Harp Giada Giorgia Pederzolli : Harp Erika Molteni: Harp Chiara Rolla: Harp Lidia Morra: Harp Daniela Morittu: Harp Rossana Monico: Harp Maria Assunta Romeo: Harp

Filippo Pedretti: Violin Tommaso Latis: Violin

Paolo Pigni: Bass guitar

Luca Briccola: Guitars

Mirko Soncini: Drum, Percussion, Tubular bells

Bernardo Ruggiero: Choir Riccardo Tabbì: Choir Anne Delaby: Choir Irene Casartelli: Choir