Cygnus X-1 (song series)
| "Cygnus X-1" | ||||
|---|---|---|---|---|
| Limited edition EP cover | ||||
| Suite by Rush | ||||
| from the album A Farewell to Kings (Book I) Hemispheres (Book II) | ||||
| Released | 
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| Genre | ||||
| Length | 
 
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| Label | Mercury | |||
| Composer(s) | ||||
| Lyricist(s) | Neil Peart | |||
| Producer(s) | 
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| Rush suite chronology | ||||
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"Cygnus X-1" is a two-part song series by Canadian progressive rock band Rush. The first part, "Book I: The Voyage", is the last song on the 1977 album A Farewell to Kings, and the second part, "Book II: Hemispheres", is the first song on the following album, 1978's Hemispheres. Book I is ten minutes and twenty-five seconds long (10:25), and Book II is eighteen minutes and seven seconds (18:07).
It was released as a limited-edition extended play on April 22, 2017 for Record Store Day.