[jeffn1]

I considered that as well, but the point of OP is that he wants to display something when going to the next song. I understand the case where you make temporary changes for one song (e.g., effect settings) that need to be undone for the next song. If you have ample time to prepare the setlist you can add such a note to the next song but otherwise it would be better to attach it to the song in question.

I use my effects pedal with presets, and all (temporary) modifications are lost when selecting another preset. Unless I store the modifications, of course. But I once forgot to remove the capo from my guitar .

Yep, I have a note at the end of the song.  But, I have ignored it.

Yes, another option would be a placeholder song that reads:  CHANGE TRANSPOSE.  But, i guess I would prefer not to add another "fake" song to the set list.  Also, I like the idea that my suggestion does not let me move to the next song unless I specifically click "ok".  But maybe I will try the placeholder idea.

I will also look into the notes function for the following song. All good ideas.

But, obviously this is frill.  Mike can decide whether it has enough potential benefit broadly to make it worthwhile (taking into account the difficulty/time of coding it).  

Jeff