Designed for real composition, with all the tools a composer might need in one place. Used by thousands of composers since 2010.
RapidComposer is an innovative, phrase-based music composition software created to bring all the tools a composer might need into a single flexible environment. Its non-destructive workflow is tailored for composers, songwriters, and musicians of all genres, making it easy to turn musical ideas into fully developed compositions.
Latest News:
April, 2026: RapidComposer 16th Anniversary!
April 7, 2026: RapidComposer v6.1 released
November 15, 2025: 41 Realtime posted new videos about "Live mode"
October 8, 2025: RapidComposer 6 released! See what’s new in this version.
Upgrade to version 6 with a discount! Read upgrade info
Effortlessly craft rich chord progressions and utilize piano-style phrases, even without prior piano experience. Auto-harmonize melodies, receive chord suggestions, and load MIDI files with built-in chord detection. With tools like the chord palette and the Circle of Fifths chart, RapidComposer provides constant support to enhance your songwriting process.
Phrases automatically adapt to the current chord and scale on the master track, eliminating the need to adjust individual notes. Simply lay out chords on the master track or drop in a chord progression, and with a single keystroke, generate a harmony track with flawless voice leading. Start composing with ease today!
Included rhythm and phrase generators allow for creating a wide range of patterns, both monophonic and polyphonic. Generate melodies, apply variations to modify phrases non-destructively, and easily slice or adjust the rhythm of existing phrases.
Leverage an intelligent algorithm to generate optimal guitar chord fingerings based on your specific constraints. Easily edit fingerings directly on the fretboard. Convert tracks into editable guitar tablature with calculated, optimized fingerings. Export tabs seamlessly in MusicXML format for further use.
Suggestions by harmonic rules, borrowed chords, chord substitutions, pivot chords, diatonic and chromatic mediant chords, passing chords, bass and melody pedal tone chords, chords on scale, chord builder, chord voicing editor. With these tools, you'll always have guidance for selecting the perfect chords.
RapidComposer provides multiple methods for selecting chords for the master track or progressions, including the Tonnetz and Circle of Fifths. Chord buttons can be color-coded by consonance, common tones, tonality, or suggestions. Customize chord rules for progressions and apply chord voicings to individual tracks, phrases, or the master track.
With it, you can instantly create new multi-track compositions or phrases, or even let the engine continue an existing melody or arrangement. It’s a powerful way to spark creativity and explore new musical ideas inside RapidComposer.
* Full Edition only
Trigger and perform sections of your composition from a MIDI keyboard in real time, with per-track speed, transpose, and timing controls. Mouse triggering also supported. With LIVE Playback Mode in RapidComposer 6, your compositions are no longer static: they become expressive, playable instruments.
* Full Edition only
The AI assistant, available in both full and light editions, offers intelligent suggestions for chord replacements, progressions, rules, and even song structure based on the genre or mood you specify. Powered by AI models from multiple providers, this feature requires an API key from a supported service.
RapidComposer generates multi-track compositions with chords based on your settings and phrases, supporting a variety of workflows. It's designed to inspire creativity, even when you're not short on ideas.
* Full Edition only
Melodya is a motive generator and editor, which was integrated into RapidComposer as a Melody Editor tab. By enabling the chords track, you can create a melody for a given chord progression, so two entirely different workflows are supported.
* Full Edition only
The extensive libraries for chords, scales, and chord progressions are fully expandable. Use the docked browsers to search, preview, sort, group, and display items. Additionally, a file browser and a CC envelope browser have been included for enhanced navigation.
: This "v1.4.2 Portable" version does not require installation; it can be run directly from a USB drive or a folder, making it easier to use across multiple devices.
Using any KMS activation tool is a of Microsoft’s End User License Agreement (EULA). Microsoft states that activation is required to verify that a copy of Windows is used only on PCs that the license terms allow, and circumventing this process is explicitly prohibited. While an individual user is unlikely to face legal action, the act itself is unauthorized and may be considered software piracy in many jurisdictions.
This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later. kmsauto net 2015 v142 portable 64 bit
The software tool known as is a widely discussed third-party program designed to bypass official licensing systems for Microsoft Windows and Office products.
The specific combination deserves closer attention. This refers to a distinct software release that was published around December 9, 2015 . : This "v1
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The search term "kmsauto net 2015 v142 portable 64 bit" leads users to one of the most widely discussed and controversial software activation tools in recent memory. Even though this version dates back to 2015, it is still referenced and sought after today for its claimed ability to activate various Microsoft products for free. This article provides a comprehensive, in-depth look at what KMSAuto Net is, how it works, the risks associated with its use, and the safer, legal alternatives available in 2026. While an individual user is unlikely to face
KMSAuto Net 2015 v1.4.2 is a powerful utility for those managing legacy Microsoft environments that lack official keys. However, due to the high risk of and the violation of software terms of service, it is generally discouraged for use on primary or secure machines. For a safe experience, consider free alternatives like Office on the web or official Microsoft 365 subscriptions. KMSAuto Net 2015 v1.3.8 Portable.exe - Hybrid Analysis
It can set up automatic reactivation tasks, ensuring that the KMS activation remains valid beyond the standard 180-day period. How to Use KMSAuto Net 2015 Portable
When using tools like , it is important to consider the security and legality of the process.
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