---
title: "第21課 · 弱起小節 · Piakno"
description: "曲が1拍目から始まらないときも、正しく数えて入れる"
url: "https://piakno.com/ja/course/piano-foundations/lesson/21"
lang: "ja"
alternates:
  en: "https://piakno.com/course/piano-foundations/lesson/21.md"
  zh-Hans: "https://piakno.com/zh-Hans/course/piano-foundations/lesson/21.md"
  zh-Hant: "https://piakno.com/zh-Hant/course/piano-foundations/lesson/21.md"
  ja: "https://piakno.com/ja/course/piano-foundations/lesson/21.md"
  ko: "https://piakno.com/ko/course/piano-foundations/lesson/21.md"
  es: "https://piakno.com/es/course/piano-foundations/lesson/21.md"
  de: "https://piakno.com/de/course/piano-foundations/lesson/21.md"
  pt-BR: "https://piakno.com/pt-BR/course/piano-foundations/lesson/21.md"
---

# 弱起小節

> 曲が1拍目から始まらないときも、正しく数えて入れる

- [はじめてのピアノ楽典 本科コース](https://piakno.com/ja/course/piano-foundations)
- [前のレッスン · 休符：静けさにも拍がある](https://piakno.com/ja/course/piano-foundations/lesson/20)
- [次のレッスン · 5本指ポジションの全体移動](https://piakno.com/ja/course/piano-foundations/lesson/22)