> 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/step-out-of-the-key.md).

# Step out of the key

- [In theory: Borrow a chord](https://guide.tonaly.app/songwriting/step-out-of-the-key/borrow-a-chord.md): What does this mean, "borrow a chord"?
- [In the app: Borrow a chord](https://guide.tonaly.app/songwriting/step-out-of-the-key/in-the-app-borrow-a-chord.md): How do I use "borrowed chords" within the TONALY app?
- [Chord statistics](https://guide.tonaly.app/songwriting/step-out-of-the-key/chord-statistics.md): See statistics of tones in- and out-of-key, related to the mode of your song.
- [Chord suggestions](https://guide.tonaly.app/songwriting/step-out-of-the-key/chord-suggestions.md)


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