I can chime in on this one! Thanks for the compliment on the York!
Big apologies for the long post...
For the last decade or so, I have been engraving music for myself and others. Just for Cimarron Music Press, I am guessing it is a little over 20,000 pages of music and I have done my best to make page turns whenever possible. I was engraving at least 10+ hours a day for about 5 years. A little less now, but still a lot of time everyday (4-5 hours) is dedicated to just making the music look pretty. This includes the York above mentioned by jon112780.
Some pieces are easy to deal with and others are not and sometimes it is just downright impossible so you just do your best. Many times the engraver or publisher is just lazy. It may cost some extra money here and there because of more pages and time, but I think it is much more important to produce a good product rather than have complaints later.
As an engraver, I go for at least 1 bar rest at the end of a page. Not always possible, but most of the time if you take the time it can be found. By doing this, there is no need for a photocopy.
A short list of things I do to eliminate page turns:
1. Always keeping the music readable, get it on one page or two pages. This as small as my music will get:
CMP81Euph1-0.jpg
2. With an 11x17 sheet, make pages 1-2 on one side and 3-4 on the flip. Or 4-1 on one side and 2-3 on the flip side. This gives you lots of options to avoid a page turn or have reasonable time to make a turn.
3. Add a cover page to eliminate cover pages later.This gives you lots of options to avoid a page turn or have reasonable time to make a turn.
4. If you have a piece that has lots of notes, just put what you can on page 1 and then use the middle pages of an 11x17 for the rest.
CMP633Euph1-0.jpg
CMP633Euph1-1.jpg
Page 3 here...
5. Add a blank page (York example above)
Tons more tricks, but they all take time. For most pieces I do, I work 2 or more hours to get a finished product. Some pieces take many more hours and some less. I strive for the music to clear and with good page turns, etc. The problem is the publisher has to find the time or money to make it all happen correctly. There are piles of samples out there, but here is a link to our Facebook page with pictures:
http://www.facebook.com/photos.php?id=200033020006837
I wish all pieces were quick and easy, but they are not. It was worth it do, but Ludus for 3 Tubas took 24 hours (working time and not in a 24 period) to complete. There are no awkward pages and I think it came out alright, but 24 hours is quite a lot of time:
http://www.youtube.com/watch?v=Rm5EQ_WHX58
My wife got a chart for her band and each part was app. 20 pages long. The printer added a cover and this made every page of every part have a page turn in inappropriate places. The band was not happy....
I wrote too much, but if you made it this far a medal is on the way!