Katz Praatz 'Jazz Sketch (ver. 1.8)': A Chord Sequencer for Creating Jazz-Inspired Music and Learning Jazz Harmony

The Music Telegraph | Text 2026/06/24 [15:03]

Katz Praatz 'Jazz Sketch (ver. 1.8)': A Chord Sequencer for Creating Jazz-Inspired Music and Learning Jazz Harmony

The Music Telegraph| 입력 : 2026/06/24 [15:03]

 

© Katz Praatz



Katz Praatz 'Jazz Sketch (ver. 1.8)': A Chord Sequencer for Creating Jazz-Inspired Music and Learning Jazz Harmony

 

 

Musician and hobbyist programmer Katz Praatz has announced the release of Jazz Sketch version 1.8. This update adds 192 new chord progressions to the previously available 1,224 in version 1.7, bringing the total to 1,416 jazz chord progressions. Version 1.8 also introduces 48 additional tension chords, increasing the total number from 168 to 216. In addition, the update adds save and load functionality, allowing users to store and recall chord progression data for future use.

 

Jazz Sketch (ver. 1.8) is a chord sequencer designed to help you create music by arranging 1,416 jazz chord progressions and 216 tension chords. You can export the chord sequence (the chord progressions and chords you’ve arranged) as a MIDI file to play it or edit it in your DAW. You can also save and load your chord progressions, allowing you to organize, revisit, and refine your musical ideas whenever inspiration strikes. With Jazz Sketch, you can effortlessly create sophisticated, jazz-inspired music. It also provides a practical way to learn jazz harmony through hands-on exploration and playback, accompanied by harmonic information for the currently playing chord progression or chord. In fact, Jazz Sketch is a small yet highly useful software tool.

  

 

© Katz Praatz



Essential Requirements for Running Jazz Sketch

Jazz Sketch is a software written in JAVA, and the file extension is .jar. By default, Jazz Sketch runs well on any computer that has JAVA or JRE (Java Runtime Environment) version 8 or later installed, regardless of the operating system—for example, Windows, MacOS, or Linux. If your computer does not have JAVA or JRE installed, or if JAVA is installed but the version is earlier than 8, please click the link below to download the JAVA 8 compatible with your computer's operating system:

 

https://www.java.com/en/download/manual.jsp

 

* In the Windows download section, choose the Online download for the fastest install experience. Choose the Offline download if you will be installing on a machine without an internet connection, or you are having problems with the Online install.

 

** If your macOS version is 10.7.3 or later but earlier than 12, click on macOS x64 to download. If your macOS version is 12 or later, click on macOS ARM64 to download.

 

 

Features

  • A chord sequencer designed to help you create sophisticated, jazz-inspired music by arranging 1,416 jazz chord progressions and 216 tension chords.
  • Can also be used for learning or practicing jazz harmony.
  • The provided chord progressions incorporate standard 2-5-1 progressions, tritone substitutions, secondary dominants, secondary subdominants, deceptive resolutions, modal interchanges, parallel modal shifts, pivot chords, altered dominants, and turnarounds.
  • Designed to help you create a wide range of jazz styles, including Swing, Bebop, Bossa Nova, Jazz Blues, and Neo Soul.
  • Includes annotation features for chords and chord progressions to help users better understand harmonic structures.
  • Allows users to save and load chord and chord progression data for future use.
  • Can export the chord sequence that you arranged as a MIDI file to play it or edit it in your DAW.
  • Written in Java, and requires JAVA or JRE version 8 or higher installed to run.

 

** Jazz Sketch is a standalone software, not a plug-in. Therefore, it operates independently of the user's DAW (Digital Audio Workstation).

 

 

System Requirements

  • A laptop or desktop computer with a monitor of 13 inches or larger  
  • Supported OS: Any version of Windows, Mac OS X, and Linux  
  • Tablet PCs that do not use Windows or Mac OS X as their operating system are not supported (e.g., iPad, Galaxy Tab)

 

 

Price

$7.49 USD

 

 

For more information on 'Jazz Sketch (ver. 1.8)'

 

 

  

Creating Music with Jazz Sketch 

 

 

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