Various

Bagpipes, Bombarde, Snare – Bagad De Lann-Bihoué (7)
Engineer, Mixed By – Stéphane Briand
Mastered By – Hubert Salou
Mixed By – Jean-Francois Delort (27)
Mixed By [Assistant] – Adrien "Chocolate" Crapanzano (27)
Orchestra – Sofia Philharmonic Orchestra
Vocals – Alan Stivell (2, 5, 11)
Vocals – Clarisse Lavanant (2, 14, 17)
Vocals – Didier Barbelivien (23)
Vocals – Gilles Servat (2, 20)
Vocals – Gwennyn (2, 12, 19)
Vocals – Jane Birkin (25)
Vocals – Laurent Voulzy (5)
Vocals – Miossec (25)
Vocals – Raphaël (9)
Vocals – Renan Luce (14)
Vocals – Rozenn Talec (2, 20)
Vocals – Soldat Louis (2, 11)
Vocals – Tri Yann (2, 12, 22)
Vocals, Acoustic Guitar – Dan Ar Braz (16)
Vocals, Harp – Cécile Corbel (2, 3)

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