Space plays and stops
- Notes and intervals
- Gbm3Bbbm3Dbbm3Fbb
Gb Diminished 7, written Gbdim7, is built from Gb, Bbb, Dbb and Fbb: the root, minor 3rd, flat 5th and diminished 7th.
Its 3rd and 7th, Bbb and Fbb, 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.