# A 大調五聲 guitar scale

> 大調音階去掉兩個會打架的音，剩下五個幾乎怎麼彈都不會錯

## Quick facts

- Root: A
- Notes: A, B, C#, E, F#
- Degrees: 1 2 3 5 6
- Step formula: W-W-m3-W-m3
- Note count: 5
- Best for: 鄉村、流行和經典搖滾獨奏

Canonical page: https://openguitarchords.com/zh-Hant/scales/a-major-pentatonic