> 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/undo-redo.md).

# Undo & redo changes

You can go back up to nine changes on chords in your song.

<div align="left"><img src="/files/-LzChP2-kk-nBvC-CIjY" alt=""></div>

{% hint style="info" %}
The history **will be cleared** when you **change the key** or when you have undone something and continue composing.
{% endhint %}