Class FunctionalProgressions

Namespace

Celeritas.Core

Assembly

Celeritas.dll

Functional-harmony progressions (diatonic by default). Includes circle-of-fifths (descending fifths) chains and common cadential patterns.

public static class FunctionalProgressions

Inheritance

object

FunctionalProgressions

Inherited Members

object.Equals(object)

object.Equals(object, object)

object.GetHashCode()

object.GetType()

object.MemberwiseClone()

object.ReferenceEquals(object, object)

object.ToString()

Methods

Circle(KeySignature, DiatonicChordType, MinorDominantStyle)

public static FunctionalChord[] Circle(KeySignature key, DiatonicChordType type = DiatonicChordType.Seventh, MinorDominantStyle minorDominant = MinorDominantStyle.Harmonic)

Parameters

key KeySignature

type DiatonicChordType

minorDominant MinorDominantStyle

Returns

FunctionalChord[]

Exceptions

ArgumentOutOfRangeException

type is not a defined DiatonicChordType value.

ArgumentOutOfRangeException

minorDominant is not a defined MinorDominantStyle value.

SecondaryDominantTo(KeySignature, ScaleDegree, DiatonicChordType)

Secondary dominant leading to a diatonic scale degree. Example in C major: SecondaryDominantTo(ii) => A7 (V7/ii)

public static SecondaryDominant SecondaryDominantTo(KeySignature key, ScaleDegree targetDegree, DiatonicChordType type = DiatonicChordType.Seventh)

Parameters

key KeySignature

targetDegree ScaleDegree

type DiatonicChordType

Returns

SecondaryDominant

Exceptions

ArgumentOutOfRangeException

targetDegree is not a defined ScaleDegree value.

ArgumentOutOfRangeException

type is not a defined DiatonicChordType value.

SecondaryDominants(KeySignature, DiatonicChordType)

Common set of secondary dominants: V/(ii, iii, IV, V, vi).

public static SecondaryDominant[] SecondaryDominants(KeySignature key, DiatonicChordType type = DiatonicChordType.Seventh)

Parameters

key KeySignature

type DiatonicChordType

Returns

SecondaryDominant[]

Exceptions

ArgumentOutOfRangeException

type is not a defined DiatonicChordType value.

ThreeSixTwoFiveOne(KeySignature, DiatonicChordType, MinorDominantStyle)

Common extended cadence: iii → vi → ii → V → I. In minor: III → VI → ii°/iiø → V → i (depending on minorDominant).

public static FunctionalChord[] ThreeSixTwoFiveOne(KeySignature key, DiatonicChordType type = DiatonicChordType.Seventh, MinorDominantStyle minorDominant = MinorDominantStyle.Harmonic)

Parameters

key KeySignature

type DiatonicChordType

minorDominant MinorDominantStyle

Returns

FunctionalChord[]

Exceptions

ArgumentOutOfRangeException

type is not a defined DiatonicChordType value.

ArgumentOutOfRangeException

minorDominant is not a defined MinorDominantStyle value.

Turnaround(KeySignature, DiatonicChordType, MinorDominantStyle)

Common turnaround: I → vi → ii → V → I. In minor: i → VI → ii° → V → i.

public static FunctionalChord[] Turnaround(KeySignature key, DiatonicChordType type = DiatonicChordType.Seventh, MinorDominantStyle minorDominant = MinorDominantStyle.Harmonic)

Parameters

key KeySignature

type DiatonicChordType

minorDominant MinorDominantStyle

Returns

FunctionalChord[]

Exceptions

ArgumentOutOfRangeException

type is not a defined DiatonicChordType value.

ArgumentOutOfRangeException

minorDominant is not a defined MinorDominantStyle value.

TwoFiveOne(KeySignature, DiatonicChordType, MinorDominantStyle)

public static FunctionalChord[] TwoFiveOne(KeySignature key, DiatonicChordType type = DiatonicChordType.Seventh, MinorDominantStyle minorDominant = MinorDominantStyle.Harmonic)

Parameters

key KeySignature

type DiatonicChordType

minorDominant MinorDominantStyle

Returns

FunctionalChord[]

Exceptions

ArgumentOutOfRangeException

type is not a defined DiatonicChordType value.

ArgumentOutOfRangeException

minorDominant is not a defined MinorDominantStyle value.