The Setlist Editor will not show up, if you don't have an account connected.
Connect an account in the settings first.

All songs from your online account will show up here.

The selected setlist to work on will be displayed in this section.

You can drag an item from the Uploaded Songs list into this box. It will be placed on the end of the list.

In the first row, you see a numbering of the items in the setlist, this always shows the position of a song in this list. You can reorder the items by dragging them from their actual position to the new one. The list will reorder and update itself.

Use this selection box, to select the setlist you want to work on.
If no list shows up in this box, it means there is no list in your account, and you need to create a new list.

If you click this button, a small input window will pop up and ask you for a name for the new list.
Enter a name, which you did not use before, and click Create List.

Click this button to rename the selected setlist.
This button will be disabled, if no list is selected.

To delete the selected list, click this button.
This button will be disabled, if no list is selected.

When you click this button, it will open a dialog window, where you can enter an e-mail address of another user to share the selected list with. Enter the e-mail address and click Add to add it to the list of users.
To remove an e-mail from the list, select it and click Remove.

There will no e-mails be sent to the users if you share with them. They don't even have to be users yet. If a user you shared your list with opens Song Viewer, the setlist will appear in the Shared List mode.

To remove an item from the selected list, drag it onto this button or select it and click this button.