# Ab 大調 guitar scale

> 明亮、安定的聲音，西方音樂的中心，其他音階都拿它當參照

## Quick facts

- Root: Ab
- Notes: Ab, Bb, C, Db, Eb, F, G
- Degrees: 1 2 3 4 5 6 7
- Step formula: W-W-H-W-W-W-H
- Note count: 7
- Best for: 旋律、創作，以及幾乎所有場景
- Enharmonic root: G#

## Diatonic chords

- I: [Ab](https://openguitarchords.com/zh-Hant/chords/a-flat)
- ii: [Bbm](https://openguitarchords.com/zh-Hant/chords#b-flat-minor)
- iii: [Cm](https://openguitarchords.com/zh-Hant/chords/c-minor)
- IV: [Db](https://openguitarchords.com/zh-Hant/chords/c-sharp)
- V: [Eb](https://openguitarchords.com/zh-Hant/chords/e-flat)
- vi: [Fm](https://openguitarchords.com/zh-Hant/chords/f-minor)
- vii°: [Gdim](https://openguitarchords.com/zh-Hant/chords/diminished-chords#g-diminished)

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