On Sun, 2012-05-13 at 17:31 -0400, David B. Stocker wrote: > Hi group, > > Any guess on how to make LilyPond automatically shift rests the way it > shifts notes in middle voices to avoid collisions with other notes?
The rule makes it simple, but it is a very obscure rule to say the least. An inside rest always shifts to the left, and it is put before a stem. It is *never* put after a stem. That is the opposite of the way bass and tenor notes shift in a stem collision, assuming four parts. If it is behind a stem it looks like it is lower than a descending stem or higher than a rising stem. The rule makes perfect sense, but I have seen the rule violated by people who should have known better. Early 19th century guitar music furnishes the most and best examples of collision avoidance, because polyphony is crowded onto one stave most often. I hope that the majority followed the rule, which I derived only from inspection of old guitar scores which followed it, but I have no statistics, and I am not up for the herculean task of compiling such. It would help to use the new, modern (ca. 1808) "s-z" quarter rest instead of Gutenberg's mediaeval rest which we now use, (G's is a letter "R" with a flourish on the kicker.) because it is not as tall, nor is it as ambiguous as the horrible "classical" rest which it replaced. The fact that none of the notation mavens ever state that rule is the main basis for my no doubt annoying insistence that there is *no such thing* as an authority on music notation. Not one. Regards, daveA _______________________________________________ lilypond-user mailing list lilypond-user@gnu.org https://lists.gnu.org/mailman/listinfo/lilypond-user