Mason Green's New Common Practice Notation: Difference between revisions

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{| class="wikitable"
{| class="wikitable"
|-
|-
! Number of steps
! rowspan="3" | Number of steps
! Interval name
! rowspan="3" | Interval name
! Approximation
! rowspan="3" | JI intervals represented
! Scale degree name
! colspan="3" | Scale degree
! Scale degree symbol
|-
! Scale degree Roman numeral
! rowspan="2" | Name
! colspan="2" | Symbol
|-
! Number
! Roman numeral
|-
|-
| 0
| 0
| Unison
| Unison
| 1:1
| 1/1
| Tonic
| Tonic
| 1
| 1
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* The circle progression ({{overline|vi}} - ii- V - I).
* The circle progression ({{overline|vi}} - ii- V - I).
* The 50s progression (I – {{overline|vi}} - IV - V)
* The 50s progression (I – {{overline|vi}} - IV - V)
* "Axis of Awesome" (I - V - {{overline|vi }}- IV).
* "Axis of Awesome" (I - V - {{overline|vi}} - IV).
* Pachelbel's Canon (I - V - {{overline|vi }}- {{overline|iii }}- IV - I - IV - V)
* Pachelbel's Canon (I - V - {{overline|vi}} - {{overline|iii}} - IV - I - IV - V)


There are also many new possibilities that don't have any close analogues in 12edo. In general, enneadecimal scales offer more flexibility as well as orders of magnitude more possibilities for chord progressions, due to the greater diversity of both chords and scale degrees.
There are also many new possibilities that don't have any close analogues in 12edo. In general, enneadecimal scales offer more flexibility as well as orders of magnitude more possibilities for chord progressions, due to the greater diversity of both chords and scale degrees.