Harmony Lab Audio Releases Free Harmony Pro Chord Assistant

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Harmony Lab Audio has released Harmony Pro, a free harmony assistant for musicians and composers. The software is available for macOS and Windows as a plug-in. According to the developer, Harmony Pro is designed to help users explore chord progressions and discover alternative harmonic directions. In other words, it aims to support the songwriting process whenever a progression needs fresh ideas.

Harmony Engine with Context-Based Chord Suggestions

At the core of the plug-in is a dedicated harmony engine. First, the engine analyzes the current musical context. Afterwards, it proposes chord suggestions that match the ongoing progression. Moreover, users can shape these suggestions in several ways. For instance, style profiles define the overall harmonic character. In addition, musical directions and voicing options offer further control over the results. As a result, the tool supports creative decisions without taking over the composition process.

Notably, Harmony Pro does not use generative AI. Instead, all suggestions are produced by a dedicated harmonic engine. Therefore, the output follows the selected musical direction rather than relying on machine learning models. For producers who prefer transparent and predictable results, this approach can be an advantage.

Visual Tools for Exploring Harmonic Relationships

Besides the chord suggestions, the plug-in provides several visual ways to explore harmony. For example, it includes a classic Circle of Fifths view. Furthermore, advanced graphical views display tension, proximity, color, and chord relationships. Consequently, users can compare alternative harmonic directions at a glance. Similarly, these visualizations can help to understand why a suggested chord fits a certain context. For producers and composers who want to deepen their music theory knowledge, such tools can serve as a practical learning aid as well.

Features

  • Harmony engine with context-based chord suggestions
  • Style profiles, musical directions, and voicing options
  • Circle of Fifths view for harmonic exploration
  • Graphical views for tension, proximity, color, and chord relationships
  • Dedicated harmonic engine without generative AI
  • Available as AU (macOS) and VST3 (macOS and Windows)
  • Support for Apple Silicon and Intel Macs
  • Free to download

Price and Availability

Harmony Pro is available now as a free download. The plug-in runs as AU on macOS and as VST3 on both macOS and Windows. In addition, Apple Silicon and Intel Macs are supported. However, no AAX version is mentioned, so Pro Tools users cannot run it directly. Likewise, a standalone version is not offered. Since the software is free, it is a low-risk addition to any plug-in collection. Overall, Harmony Pro could be an interesting option for songwriters, composers, and producers looking for new harmonic ideas.

Pros

  • Free to download with no cost or restrictions mentioned
  • Context-based chord suggestions from a dedicated harmonic engine without generative AI
  • Multiple visual exploration tools including Circle of Fifths and views for tension, proximity, and color

Cons

  • Limited to VST3 and AU formats; no AAX support for Pro Tools users
  • No standalone version available; a compatible plug-in host is required

More info: Harmony Lab Audio | Harmony Pro