Thanks for the feedback kevinTO! It is possible to edit the chord progression of a song directly in the plugin. You can simply enter the chords you want to change directly into the chord sheet area of the plugin. To copy/paste/insert bars you can right-click on the bar and select from the options available. To do this for multiple bars, simply highlight the bars and right-click on them to select from the same menu, the option that you are looking for. I have just tested and can confirm that these features are working so please report back if you are still having issues. Please note that keyboard shortcuts (like ctrl-c for copy) do not work in the plugin. Also, because the plugin is limited to 256 bars, inserting a bar actually just shifts all the following bars forward. So if you have 256 bars in your song, you will not be able to insert another bar.