Wikipedia
Other World (album)
Otherworld is a collaborative album by English singer Peter Hammill and American guitarist Gary Lucas. It was released in February 2014 by Esoteric Recordings.
Although on the album cover the title is spelled as "Other World", on Peter Hammill's official website Sofa Sound the title is spelled as one word, "Otherworld".
Usage examples of "other world".
For once contact has been made, once the door to the other world has been set ajar, a host of waiting intelligences may crowd through.
Once again we return from that other world with no definite conclusion.