---
title: "Lesson 25 · Key signatures and the circle of fifths · Piakno"
description: "Read the sharps or flats at the head of the staff and name the key"
url: "https://piakno.com/course/piano-foundations/lesson/25"
lang: "en"
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---

# Key signatures and the circle of fifths

> Read the sharps or flats at the head of the staff and name the key

- [Piano Theory from Scratch](https://piakno.com/course/piano-foundations)
- [Previous · A natural sign only rules its own measure](https://piakno.com/course/piano-foundations/lesson/24)
- [Next · The three-part reading method](https://piakno.com/course/piano-foundations/lesson/26)