Space plays and stops
- Notes and intervals
- AbM3Cm3EbM3Gm3Bb
- Extends
- Ab Major 7
Ab Major 9, written Abmaj9, is built from Ab, C, Eb, G and Bb: the root, major 3rd, 5th, major 7th and 9th.
Its 3rd and 7th, C and G, are its guide tones: they say what kind of chord it is, so voicings are built around them and the root is often left to the bass.