Space plays and stops
- Notes and intervals
- C#M3E#m3G#2A#
C# Major 6, written C#6, is built from C#, E#, G# and A#: the root, major 3rd, 5th and 6th.
Its 3rd and 6th, E# and A#, 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.