Keeping score titles with empty music

[Reinhold Kainhofer]

Hi,
I'm creating instrumental scores for a large work, where some instruments are 
quiet during some pieces. Now, for the empty pieces, I also want to add the 
score title to the instrumental pieces, but lilypond does not print them when 
the score does not contain any music.
How can I force the score header to be printed even for empty music?

Attached is a small example, where I also want the score title of the second 
score printed.

Thanks,
Reinhold

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Reinhold Kainhofer, Vienna University of Technology, Austria
email: address@hidden, http://reinhold.kainhofer.com/
 * Financial and Actuarial Mathematics, TU Wien, http://www.fam.tuwien.ac.at/
 * K Desktop Environment, http://www.kde.org, KOrganizer maintainer
 * Chorvereinigung "Jung-Wien", http://www.jung-wien.at/

keep_piece_titles_for_empty_pieces.pdf
Description: Adobe PDF document

keep_piece_titles_for_empty_pieces.ly
Description: Text document