Premise: The Angel and the Soldier Boy is the 13th album by Irish folk group Clannad, released in 1989. It is the soundtrack to the animated movie of the same name and contains both the music to the movie and the narration of the story by Tom Conti. The animation is based on the award-winning children's picture book by Peter Collington.
Hypothesis: The Angel and the Soldier Boy was written after than 12th album of Clannad.