Space plays and stops
- Notes and intervals
- CM3E2F#2G#m3B
- Extends
- Major 7
C Major 7 #4#5, written Cmaj7#4#5, is built from C, E, F#, G# and B: the root, major 3rd, sharp 11th, sharp 5th and major 7th.
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.