The male voices were done, as on all of his earlier albums, by Olaf Hayer.
Creation Records | Crisis on Infinite Earths | Creation | Infinite Crisis | Seven Wonders of the Industrial World | Infinite Challenge | creation | Infinite | Wonders of the World | Vestiges of the Natural History of Creation | The Creation of the World and Other Business | Seven Wonders of Canada | Nevada Wonders | Mellon Collie and the Infinite Sadness | Infinite Arms | Crown of Creation | Wonders of the Solar System | Seven Natural Wonders | Nick and Norah's Infinite Playlist | Merlin's Shop of Mystical Wonders | Little Wonders | Infinite Jest | Infinite (Eminem album) | infinite | Haydn's Creation | Crown of Creation (band) | Another Bad Creation | Year of Wonders | Wonders of the Universe | Weird Worlds: Return to Infinite Space |