It has never appeared in an authorized English edition until IDW Publishing translated it for August 2016's American issue of Donald Duck.
This comic provides examples of:
- Cosmic Horror Story: Donald tries out for a singing competition organized by a renowned musician, and gets successfully recruited by having his voice altered by an apparent twin of this musician. It's later revealed that the entire world is actually the dream of Ar-Finn, a primordial cephalophoid monster which slumbers in the ancient city of Sp'too at the bottom of the sea. The two twins are manifestations of the monster's conflicting subconscious desires to either continue sleeping or wake up (which Donald's voice will make it do). When the creature does exactly that, the rest of the world vanishes as it no longer creates the world-dream, and everything in its vicinity shapes itself into its image, resulting in Donald and his nephews growing tentacles and stick eyes. It's eventually put back to sleep, but the story ends on a rather dark note as Donald contemplates everybody's existence as mere parts of the creature's imagination.
- Cosmic Horror Reveal: Donald Duck wins in a singing contest before it's revealed that he's actually been recruited to wake up an Eldritch Abomination with his voice. The world disappears because it only exists when the monster is dreaming about it, and Donald and his nephews grow octopoid arms and legs as reality is reshaped in its image.
- Don't Wake the Sleeper: Donald and his nephews have to stop the villain from waking up a Chtulhu-like monster, as the world as we know it is controlled by the monster's dreams. Of course, it wakes up, and while it's awake, the Ducks' bodies mutate horribly. Donald manages to make it fall asleep again by singing a lullaby for it.
- Dream Apocalypse: The Ducks themselves turn out to be part of the imagination of the monster Ar-Finn, who dreamt the world into existence. When it wakes up, they resolve to put it back to sleep to keep the dream going.
- Eldritch Abomination: A giant octopus called Ar-Finn sleeps beneath the depths in a sunken city (Cthulhu and R'lyeh, anyone?). Our reality (or at least Donald's) exists only because Ar-Finn dreams about it. If he wakes up, the world will start to adapt to his image, with the architecture becoming more and more alien and the people more octopoid in appearance. It was awfully cynical for a Disney story, especially the ending, where Donald is horrified to find out that our whole existence is just a dream. Probably as close to Lovecraftian standards as Disney will come for the foreseeable future.
- Evil Twin: The great musician C'Rrusso is the evil twin to the rival musician D'Mmingo who looks exactly like him. For good measure, one wears black, and the other white. This is because they're really the same person, since both are embodiments of the monster-god Ar-Finn's conflicting desires to either wake up or keep on sleeping and must battle each other for supremacy.
- Music Soothes the Savage Beast: Inverted. Donald encounters an Eldritch Abomination-type monster which dreams about the world so long as it remains dormant. Because its tastes are so alien, a beautiful singing voice will actually annoy it to the point of waking up and cause The End of the World as We Know It, but it finds a truly awful singing voice soothing and sleep-inducing.
- Transformation Horror: Donald and his nephews are partially mutated into octopoids when Ar-Finn wakes up from his slumber.
- Ray of Hope Ending: Inverted. The day is seemingly saved when Ar-Finn is put back to sleep, and Huey, Dewey, and Louie hopefully glance at the sunrise. It still ends on a dark note as Donald realizes that he only exists inside the mind of a sleeping octopus and might one day vanish.
- Saved by a Terrible Performance: A beautiful singer's voice will wake up an Eldritch Abomination that will destroy the world. Donald, who is actually a terrible singer, receives a potion that causes his voice to improve and wakes it up. Later, when his terrible voice returns, it's also what puts the monster back to sleep.
- Schrödinger's Butterfly: The world is actually the dream of an ancient cephalophoid monster slumbering in a city at the bottom of the sea.