Multiple right-aligned lines in composer field

[Marius Andersen]

I am using LilyPond 2.10.33 to arrange a few Radiohead tunes, so in the 
composer field I want to write the following long text which spans two lines:

    Words and Music by Thomas Yorke, Jonathan Greenwood,
       Edward O'Brien, Philip Selway and Colin Greenwood

The composer field is right-aligned, and so I want both of these two lines to 
be right-aligned, too. However, if using \column, the second line gets 
left-aligned with reference to the first:

    composer = \markup \column {
      "Words and Music by Thomas Yorke, Jonathan Greenwood,"
      "Edward O'Brien, Philip Selway and Colin Greenwood" }
    }

yielding

    Words and Music by Thomas Yorke, Jonathan Greenwood,
    Edward O'Brien, Philip Selway and Colin Greenwood

And using center-aligned doesn't cut it, either:

    composer = \markup \center-align {
      "Words and Music by Thomas Yorke, Jonathan Greenwood,"
      "Edward O'Brien, Philip Selway and Colin Greenwood" }
    }

yielding

    Words and Music by Thomas Yorke, Jonathan Greenwood,
     Edward O'Brien, Philip Selway and Colin Greenwood

I notice in the Notation Reference for LilyPond 2.11 that a new command, 
\right-column, is available, which would probably accomplish what I want. 
However, I'm stuck with 2.10. How do I get the alignment I want?


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