[Wendy Cutler]

I don't know if I'm doing this incorrectly or what. Tonight I wanted to put a Mobile Sheets Pro song in a Dropbox directory that is not the last one I used. 

I selected the file from a setlist,
clicked Share,
Share files,
Add to Dropbox,
kept the default options, said OK.

A screen opened that shows: x Add [filename] to
Over on the right is a new folder button.
On the bottom is and ADD button. Clicking that brings up Create new folder. There is a folder icon that is not clickable. I don't want to create a new folder; I want to move to a different existing folder.
The rest of the screen is a not-activated list (faded out) of files in a folder that is not the folder to which I want to add the file. 

The only options I see are to click the x, which exits; create a new folder, or add the song to the folder it selected, presumably based on my selecting that somehow previously.

I don't understand how I ever selected that folder, and I don't know how to select another folder. The setlist from which I selected the file is not related in any way to the Dropbox folder that is coming up.

Am I doing this wrong, or is it not working correctly?