Space plays and stops
- Notes and intervals
- C#M3E#m3G#M3B#m3D#
- Extends
- C# Major 7
C# Major 9, written C#maj9, is built from C#, E#, G#, B# and D#: the root, major 3rd, 5th, major 7th and 9th.
Its 3rd and 7th, E# and B#, 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.