Mr. Palmer,
Thank you for your response. Yes, compositions with various instruments involved in polytonality would have different key signatures. These cases would not be considered an example of an “ossia.” As I stated below an ossia is an alternative to an original passage. Both the original and the ossia would be for the same instrument. I cannot think of an example (my experience is with the piano) in which the ossia is in a different key than the rest of the composition. Mark Stephen Mrotek From: Ralph Palmer [mailto:palmer.r.vio...@gmail.com] Sent: Thursday, October 10, 2013 5:56 PM To: Mark Stephen Mrotek Cc: Eluze; lilypond-user Mailinglist Subject: Re: Ossia - Documentation Recommendation On Thu, Oct 10, 2013 at 7:28 PM, Mark Stephen Mrotek <carsonm...@ca.rr.com> wrote: Eluze, An "ossia" is an alternative passage which may be played instead of the original passage. As such it should (must?) have the same key signature. Certainly not "must". There are pieces (e.g., in the Bartok violin duets) where instruments play at the same time in different keys, so why not an ossia in a separate key? Ralph -- Ralph Palmer Brattleboro, VT USA palmer.r.vio...@gmail.com
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