Music.Diatonic.Key

This module inplements keys.

Documentation

data Key

Instances

Eq Key

Read Key

Show Key

Equiv Key

Qual Key

Nte Key

Scl Key

majorKey :: Note -> Key

Creates a Major Key centered around the specified Note.

minorKey :: Note -> Key

Creates a Major Key centered around the specified Note.

center :: Key -> Note

Returns the Note that is the key's center.

key :: Scale -> Key

Creates a Key based on the specified Scale.

parallel :: Key -> Key

Returns the parallel Key of the specified Key.

relative :: Key -> Key

Returns the relative Key of the specified Key.

relativeMajor :: Key -> Key

Returns the relative Major Key of the specified Key.

relativeMinor :: Key -> Key

Returns the relative Minor Key of the specified Key.

data Signature

Instances

Eq Signature

Show Signature

Nts Signature

signature :: Key -> Signature

Returns the Signature of the specified Key.

sigDetails :: Signature -> (Accidental, Int)

Returns the details of the specified Key:

1. The Accidental that is used in the Key Signature.
2. The number of those Accidentals used in the Key Signature.