Space plays and stops
- Notes and intervals
- GbM3Bb2C2Dm3F
- Extends
- Gb Major 7
Gb Major 7 #4#5, written Gbmaj7#4#5, is built from Gb, Bb, C, D and F: the root, major 3rd, sharp 11th, sharp 5th and major 7th.
Its 3rd and 7th, Bb and F, 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.