> 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/general/general-info.md).

# General information

- [Difference between the three app workspaces](https://guide.tonaly.app/general/general-info/what-is-the-difference-between-the-three-app-modes.md)
- [Circle of fifths](https://guide.tonaly.app/general/general-info/circle-of-fifths.md)
- [Popular songs](https://guide.tonaly.app/general/general-info/where-do-i-find-popular-songs.md)
- [Colors](https://guide.tonaly.app/general/general-info/colors.md)
- [Change the playback sound](https://guide.tonaly.app/general/general-info/change-the-playback-sound.md)
- [Enharmonic equivalents](https://guide.tonaly.app/general/general-info/enharmonic-equivalents.md)
- [Android App](https://guide.tonaly.app/general/general-info/android-app.md)
- [New app name](https://guide.tonaly.app/general/general-info/new-app-name.md)
- [Tuner](https://guide.tonaly.app/general/general-info/tuner.md)
- [Background audio mode](https://guide.tonaly.app/general/general-info/background-mode.md)
- [Display hints again](https://guide.tonaly.app/general/general-info/display-hints-again.md)