Hi Don
I see this a lot, (in guitar music -- typically vocals are added) the two typical ways are 1. use small notes eg 2. use the same size notes. I can post examples if you need.
>>I'm guessing that the answer is "no" since publishers like
>>to reduce the page count
really? it's been my experience they cram as much garbage as possible in every book to increase the page count so they can charge more money.