Ruby Blue may refer to:
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Ruby Blue (band)
Ruby Blue was a Scottish folk pop band formed by singer Rebecca Pidgeon and guitarist Roger Fife in the 1980s.
Pidgeon was a student at the Royal Academy of Dramatic Arts. In 1986, her friend Roger Fife, a guitarist, asked her to sing on a dem ...
, a Scottish folk pop band
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''Ruby Blue'' (album), a 2005 album by Róisín Murphy, or the title song
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''Ruby Blue'' (film), a 2008 British drama film
{{disambiguation