flute, keyboards, guitar Jaime Olguín
tracks 1 percussion José Olguín
tracks 8, 10 vocals Iván Olguín
tracks 1-3, 5-7, 10-11 vocals Jaime Olguín
tracks 1, 4, 10 vocals María Olguín
tracks 9 vocals María Valeria Olguín
Lyrics on Tracks 2, 4, 6, 7 from Breviary (liturgical daily priests of the Roman Catholic Church)
Lyrics on Track 3: Annonymous s.XVI