Into the Labyrinth (Dead Can Dance album) and Gerrard played all instruments, without guest musicians. The lyrics are in English on tracks 2–4, 8, and 11. Gerrard sings in a self-created wordless vocal technique similar to glossolalia on tracks 1, 5–7, 9–10. Tracks 3 and 10 were performed a cappella. In the UK, the CD album was simultaneously released along a limited edition double vinyl LP (featuring "Bird" and "Spirit", the two 1991 bonus tracks from "A Passage in Time"). The title alludes to the classic legend of Greek mythology about Theseus going into the Labyrinth against the Minotaur. While not necessarily a concept album, this link
The Battle of the Labyrinth possessed by Kronos. They run into Grover and Tyson, and discover the resting place of Pan, who speaks to them and passes part of his fading spirit into each. The group, minus Rachel, then heads back to Camp Half-Blood to fight. The Titan army floods out of the Labyrinth and appears to be winning until Daedalus arrives with Mrs. O’Leary and Briares, who kills Kampê. Grover scares off the remaining Titan forces by causing a Panic. After the battle, Nico helps Daedalus to pass on and thus destroy the Labyrinth. After a memorial service for the dead campers, Percy leaves