This command inserts the contents of the clipboard at the cursor position. To paste, use Edit/Paste, press Ctrl+V, or select Paste from the view's context menu or the Toolbar. The command's action depends on which window has focus, as shown below.

Edit controlInserts text from the clipboard into the edit control at the cursor position.
Chart viewInserts chords from the clipboard into the song at the current position.
Parts listInserts parts from the clipboard into the parts list before the current selection, or at the end of the list if there's no current selection.