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.
The phrase “please enable avitab in iscs” usually appears when a pilot has installed AviTab but can’t get the tablet to appear in the 3‑D cockpit. Here is the exact workflow to fix that.
To help tailor this setup, please let me know if you are running , and whether you use Navigraph or standard local PDF charts for your flight planning. Share public link
To enable AviTab in your ToLiss aircraft (A319, A320Neo, A321, or A340) using the , follow these steps: 🛠️ Core Activation Steps please enable avitab in iscs
Lack of electrical power or a temporary plugin crash.
Whether you are flying the Flight Factor A320 or the ToLiss A319, the ability to have PDF charts, a dynamic moving map, and Navigraph integration right at your fingertip elevates your situational awareness and immersion to professional levels. So, the next time you load up X‑Plane, don’t forget to visit your ISCS, flip that switch, and enjoy the flight with your new digital copilot: the AviTab. The phrase “please enable avitab in iscs” usually
: The ToLiss aircraft do not include AviTab; it must be installed separately in your X-Plane/Resources/Plugins directory.
Go to the URL displayed on your phone or browser, log into Navigraph, and enter the code to authorize the tablet. Key Features of AviTab in the A32NX Cockpit Share public link To enable AviTab in your
Flight simulation has reached unprecedented levels of realism. Modern desktop pilots demand seamless access to electronic flight bag (EFB) utilities directly inside the virtual cockpit. For users of the iFly 737MAX for MSFS or Prepar3D, the Intelligent Simulation Control System (iSCS) serves as the central hub for configuring the aircraft.
Input your pilot ID to pull operational flight plans directly onto the screen. Troubleshooting Common Issues
If you enabled the setting in the iSCS menu but the screen remains dark or missing, try these fixes:
Launch X-Plane and load the FlyJSim Q400 at your chosen airport. Move your mouse to the left edge of your screen. A small tab or icon will appear to trigger the iSCS user interface. Click it to open the control panel overlay. 2. Navigate to the Options Tab
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