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SPECIFICTION
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RapidComposer

musicdevelopments.com

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Spec sheet

Purpose
RapidComposer is phrase-based music composition software for composers, songwriters, and musicians.Read 10 Oct 2026 · musicdevelopments.com
Intended users
The maker describes Light Edition as for hobbyist musicians and Full Edition as for professional composers.Read 10 Oct 2026 · musicdevelopments.com
Headquarters
Pomaz, HungaryRead 28 Sep 2026 · musicdevelopments.com
AI assistant
The AI assistant can suggest chord replacements, progressions, rules, song structures, and tracks; it requires an API key, supports multiple providers, and can use local models.Read 10 Oct 2026 · musicdevelopments.com
Chord handling
Phrases automatically conform to chords on the master track, and the software offers chord suggestions and progression generation.Read 10 Oct 2026 · musicdevelopments.com
Composition tools
Its features include phrase and rhythm generators, chord progression editing, melody generation, and melody auto-harmonization.Read 10 Oct 2026 · musicdevelopments.com
Data protection
MusicDevelopments' privacy policy says it processes personal data under the EU General Data Protection Regulation (GDPR).Read 10 Oct 2026 · musicdevelopments.com
DAW integration
RapidComposer's plug-in versions work in DAWs that support plug-ins with MIDI output, and tracks or compositions can be dragged and dropped to DAWs.Read 10 Oct 2026 · musicdevelopments.com
Installations
A license allows three installations, provided they are not used simultaneously.Read 10 Oct 2026 · musicdevelopments.com
Instruments and plug-ins
RapidComposer supports VST 2.4 and VST3 instruments and effects, SoundFont, and SFZ.Read 10 Oct 2026 · musicdevelopments.com
Maker location
The maker's imprint identifies MusicDevelopments as Mezei Attila E.V., located in Pomáz, Hungary.Read 10 Oct 2026 · musicdevelopments.com
Neural Phrase Engine
The full edition's Neural Phrase Engine generates or continues phrases and multi-track compositions using local AI models.Read 10 Oct 2026 · musicdevelopments.com
Offline use and licensing
The maker says an internet connection is not required to run the software and copy protection uses a license key without online activation.Read 10 Oct 2026 · musicdevelopments.com
Support and updates
The shop lists product support with Light Edition and says updates are released regularly, typically every one to two months.Read 10 Oct 2026 · musicdevelopments.com
Trial limitation
The fully functional demo expires after 30 days and does not allow saving or exporting files.Read 10 Oct 2026 · musicdevelopments.com

Plans and prices

RapidComposer Light Edition $79, paid once One-time purchase; the page does not state a billing interval. Core functionality and AI assistant · standalone/VST3/AU for Windows and macOS (Apple Silicon) · updates through v6.99 · 40,000+ reusable phrases · product support Read 10 Oct 2026 · musicdevelopments.com
RapidComposer Full Edition $199, paid once One-time purchase; the page does not state a billing interval. Light Edition features · Melody Generators · Idea Tool · MIDI Mutator · Melody Editor · Percussion Generator · MIDI Transformer · LIVE mode · Neural Phrase Engine · free Melodya and MIDI Mutator licenses Read 10 Oct 2026 · musicdevelopments.com

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