The list editor displays by default when Marietta is started.
This allows you to choose the songs for the current list. It also has options for creating new lists, importing lists, deleting and renaming lists. This window supports drag and drop to add, remove and reorder songs in the song list.

| Save Song List | Saves the current list. All lists are saved when the OK button is pressed. |
| Import Song List | Load a song list from a file. |
| Remove Song List | Removes the current song list, unless it is the only song list loaded. |
| New Song List | Create a new song list. |
| Rename Song List | Renames the current song list. |
| OK | Accepts and saves all changes to all the currently loaded song lists. | |
| Cancel | Cancels all changes made to any lists. | |
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Insert Song | Transfers the selected songs to the current list. |
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Remove Song | Removes the selected songs in the current list. |
| Move Up | Moves the selected songs up in order in the current list. | |
| Move Down | Moves the selected songs down in order in the current list. | |
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Erase | Erases all the songs in the current list. |
| Reset | Resets all lists to their states before this dialog was opened. |