https://github.com/kaliv0/composer-engine-in-java

https://github.com/kaliv0/composer-engine-in-java

Last synced: 10 days ago
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• Host: GitHub
• URL: https://github.com/kaliv0/composer-engine-in-java
• Owner: kaliv0
• License: mit
• Created: 2023-04-01T07:32:52.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2023-06-13T08:16:13.000Z (over 1 year ago)
• Last Synced: 2024-02-21T17:01:13.611Z (9 months ago)
• Language: Java
• Size: 421 KB
• Stars: 1
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Composer-Engine-in-Java

A console application written in *Java* that generates a chord progression in a given musical key.

The progression could be used for improvisation and educational purposes.

========================================================================

Composer.App supports the following functionalities:

- *_RandomKeySelector_* => chooses a random key to be constructed

- *_KeyGenerator_* => creates the main scale of the given key

- *_Chromatizer_* => appends the required chromatic signs for the chosen key signature

- *_ChordGenerator_* => generates all of the main chords in the tonality with their applied dominants

- *_ProgressionGenerator_* => creates a simple chord progression in the chosen key applying the traditional laws of tonal harmony

- *_Colorizer_* => inserts applied dominants, ii-v 'movements' and appends final cadence

- *_TonalMapper_* => maps the progression to specific chords in the particular key

- *_ChordMapper_* => maps the chord abbreviations to full representation of the chords

- *_DominantMapper_* => reads dominant seventh chords and modifies them where necessary

- *_NoteAlterator_* => adds accidentals for raising or lowering chord tones

- *_Randomizer_* => helper function for random selection of integers used throughout the application

- *_MidiCreator_* => creates MIDI file with the generated progression

- *_Generator_* => main entry point of the application

========================================================================

Example progression generated by the application:




which could be realized on the piano in the following manner:




A short piano piece based on the progression can be found here:


https://soundcloud.com/user-962833289/embers-m4a?si=fb17f612ce27482a8535aff6ff6629dd&utm_source=clipboard&utm_medium=text&utm_campaign=social_sharing