- Half step between 3rd and 4th notes
- Half step between 7th and 8th notes
Harmonic minor:
- Half step between 2nd and 3rd notes
- Half step between 5th and 6th notes
- Half step between 7th and 8th notes
Natural minor:
- Half step between 2nd and 3rd notes
- Half step between 7th and 8th notes
Ascending melodic minor:
- Half step between 2nd and 3rd notes
- Half step between 5th and 6th notes
- Half step between 7th and 8th notes
Descending melodic minor:
- Half step between 8th and 7th notes
- Half step between 6th and 5th notes
- Half step between 3rd and 2nd notes