Three Letters to the Moon is a studio album by Fabius Constable & Celtic Harp Orchestra, released by Ethnoworld in 2010.

Fabius Constable : Director, Cello, Harp, Piano, Low Whistle, Tin Whistle, Accordion.

Donatella Bortone: Soprano Sabrina Noseda: Harp, Vocal in "Concerning the Theft of an Airliner" Chiara Vincenzi: Harp Danilo Marzorati: Harp Pauline Fazzioli: Harp Federica Maestri: Harp, Choir, Flute Ludwig Constable: Harp Antonella d'Apote : Harp Silla Orlando: Harp Patrizia Rossi: Harp Teodora Cianferoni: Harp Giada Pederzoli : Harp Chiara Rolla: Harp Lidia Morra: Harp Daniela Morittu: Harp Rossana Monico: Harp, Bassoon Maria Assunta Romeo: Harp Luca Cascone: Harp Daniele Cereghini: Harp Filippo Pedretti: Violin Stefano Zeni: Violin Stefano Serano: Bass guitar Luca Briccola: Guitars Massimo Cerra: Oboe Wang Xue Ting : Ehru Mirko Soncini: Drum, Percussion, Tubular bells Flaviano Cuffari: Percussion Yako Kanazawa : Vocal in "Introitus II" Sonia Lanzoni: Choir Marco Carenzio: Choir Riccardo Tabbì: Choir Francesca Salcioli: Choir Alessandro Mazzoni: Choir, Ocarina Anne Delaby: Choir Germana Ciervo: Choir Irene Casartelli: Choir Children's choir: Celine Lancini Martinez, Edoardo Nerboni, Cesare Primultini, Jacopo Buttini, Michele Moralli, Lorenzo Lecchi, Maurizia Delius, Elia Lavelti, Sofia Lavelti, Sheila Frattari, Arthur Delius, Maja Rossignoli, Demis Crameri, Leando Cantori, Valentin Wehrli, Alice C. Guisiano, Emilia Renn, Julius Renn, Sebastian Renn, Louis Deltenre, Raffele Canonica Sermoneta.