> For the complete documentation index, see [llms.txt](https://guide.tonaly.app/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.tonaly.app/songwriting/edit-song-structure/add-or-delete-lines-and-parts.md).

# Add or delete lines and parts

### ▶️ Add lines or parts

You can either do this inline by tapping the following icon at the end of your song:

<div align="left"><img src="/files/-LzC0lkimDJY2BOtk7yE" alt=""></div>

Or you can enter a dedicated "structure edit" mode by tapping this icon:

<div align="left"><img src="/files/-LzC0bqy4GFs7JlWy6VE" alt=""></div>

###

### ▶️ Copy and delete lines or parts

To **copy a part**, tap on the part label, then on "Copy or Delete".

To **copy a line**, tap on the line repeat at the end of the line, then on "Copy or Delete".

<div align="left"><img src="/files/-LzC0v87QfAkM3peZmaa" alt=""></div>