RapidComposer v2.82
by MusicDevelopments
(MusicDevelopments Website)
Owned by user musicdevelopments

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Operating System:
File Size: 16 MB
Price: USD 249
License Conditions:

Demo version available where some features (loading/saving the composition, exporting MIDI or audio files) are disabled. Registration $249

System Requirements:

Windows XP/Vista/7/8 (32-bit or 64-bit) or Mac OS X 10.6, 10.7 or 10.8 (latest update), Intel/AMD processor 1.4 GHz, 512 MB RAM

Last Updated: 2015-02-02
For more detail about software : Software Description
  View RapidComposer v2.82 Screenshot

Software Description

RapidComposer is a rapid music prototyping software designed for composers, song-writers and musicians of all musical styles.

DAWs are great for mixing and mastering but they are not intended for music composition. RapidComposer is a dedicated application for creative music composers with non-destructive editing and features that you won't find even in the best DAW applications. Not because RapidComposer is better than a DAW; it is a different tool for a different purpose.


  • Unique non-destructive, phrase-based music composition.
  • Advanced tools for phrase editing, phrase generation, phrase grouping, motif development, chord progression editing.
  • Intuitive drag and drop environment (you can drop chords, progressions, phrases, instruments to the composition).
  • Master track with chords (absolute or scale degrees).
  • Movable, resizable and transposable smart phrases that always conform to the current chord.
  • Phrase and rhythm generators help you to create thousands of musically useful (not random) phrases.
  • Extensive scale, chord, guitar chord, chord progression databases.
  • Taggable instrument database of all MIDI, VSTi and SF2 presets in one place.
  • Variations can be applied to phrases, or whole tracks.
  • IdeaTool that generates a multitrack composition based on the parameters and rules that you specify.
  • Unlimited undo and the ability to make several versions of the same composition.
  • MIDI drag-and-drop
  • Virtual instruments (VSTi v2.4 plug-ins) support.
  • SoundFont (.SF2) support.

Related Music Production Equipment:
Roundup of low-cost Studio Monitors for home recording & mixing.

New in v2.7

  • Chord suggestions (left click on a chord)
  • Input chords using the MIDI keyboard or by entering text
  • Phrase local history implemented: save and recall previous states of phrase generation
  • The scale, tempo and signature properties are displayed on the master track and editable
  • Edit chord progression rules
  • Chord progression generation based on probability rules
  • About 260 new chord progressions for major and minor scales used in pop music (registered version only)
  • Set the initial length of the inserted phrase generators
  • New phrase variation: 'Spread Out Chord Notes' to make a fuller sound from any phrase
  • 4 new schemes are added to the Chord Generator to spread out chord notes in octaves
  • Chord names fixed in traditional notation
  • Bugfixes in chord palette to remember window size
  • Bugfix for crashing issues when enabling "Start With Empty Master Track" fixed
  • Bugfix for freezing when saving composition for the first time eliminated
  • Bugfix for MIDI export and MIDI drag and drop from the VST plug-in to the host did not work well
  • Bugfix for chord preview did not work well in the VST plug-in
  • Various other bug fixes

New in v2.82

  • Quick Undo/Redo when VST plug-ins used; VST states are not restored unnecessarily
  • 'Collapse All' button added in the Variations browser
  • New setting: Remember browser positions and sizes (disabled by default)
  • Import MIDI continuous controllers from MIDI files
  • 'Loading composition...' is displayed during loading a composition and loading VST plug-ins, which may take seconds
  • MIDI controllers are reset when playback is starting (Reset All Controllers + reset pan and volume)
  • Browser filter button colors can be set in the preferences and are part of the UI theme
  • Bugfix for timeline selection by Shift-dragging that selected beats beyond the end of line
  • Bugfix for 'Remove First Beat' and 'Insert One Beat Before First' in phrase editor
  • Various other Bugfixes
  • Various other optimizations

New in v2.63

  • Bugfix for serious bug when restoring the VST plug-in state
  • Bugfix for selecting a timeline range

    New in v2.61

    • MIDI drag and drop improvements (with StudioOne)
    • Drag and Drop bug now fixed
    • New Strings Staccato phrase generator
    • New Piano Run phrase generator
    • New Dyands Run phrase generator
    • New Mask Beginning and Time Offset phrase properties
    • Various other improvements
    • Multiple other minor bugs fixed

    New in v2.55

    • Looping fixed when using Sonar
    • Program initialization reworked
    • It is possible to resize phrases by dragging the left edge
    • Group name can be specified when saving phrases from the inspector
    • Zoom tracks vertically by Ctrl-drag or click-and-hold in the track header
    • Settings like loop/region/zoom/scrollbar positions saved with the composition
    • Besides double-click you can also use Alt-click to split/join chords
    • Browsers and inspectors can be placed on top when clicked inside
    • Loading custom MIDI instruments/presets is possible
    • Phrase preview shows note accents/velocities by shading the notes
    • Ghost phrases did not render the expressions properly
    • Bugfix fix for the KORG M1 VSTi plug-in crash
    • Bugfix for Schillinger's Interference: 'No Event' did not work well

    New in v2.52

    • Fix for crash when using 'Save Selected Chords As Progression'

    New in v2.5

    • New Melody Generator (not found in LE version)
    • New Bass Rhythm generator
    • Custom phrases are saved in separate files
    • UI improvements on the MIDI Import panel
    • Metronome added and redesigned UI in phrase editor
    • Chord palette reworked, bugs fixed, flats and sharps correctly displayed
    • Various other fixes and enhancements, details Here

    New in v2.21

    • Window sizing problems with VST plug-in fixed
    • Optimized user interface rendering
    • Automatic update checking implemented
    • It is possible to add bank select messages to MIDI instruments (by manually editing an .rcINST file)
    • Bugfix for crash when using 'Add Imported Tracks To Current Composition'
    • Bugfix for issue with MIDI import that could cause the program to hang or crash
    • Bugfix for crash when the MIDI keyboard sent a message to the chord palette which was opened in the phrase editor.
    • Various other bug fixes

    New in v2.2

    • ASIO channel selection implemented
    • Doubleclick inside the note to cut and join notes
    • Fix for crash with Nexus and improved plugin stability by removing race condition
    • Disabled editing ghost copies in note editing mode
    • Modal alert windows removed during start-up
    • Other bug fixes for improved stability

    New in v2.1

    • Global and per-track phrase envelopes which phrases may automatically follow
    • 4 algorithms offered for absolute-to-relative note conversion.
    • AI improvements in chord detection when importing MIDI files
    • New master track option: magnet. Chords are automatically transposed and inverted for better voice leading
    • Magnet option is implemented for phrases.
    • The Idea Tool is prepared to use the new voice leading improvements to produce musically more useful results
    • 'Recents' menu added for opening compositions and importing MIDI files
    • Absoluterelative conversion is easier than ever by pressing keys '0' to '4'
    • 3 new view options for the piano roll
    • Inspectors and browser panels can be resized by dragging the right bottom corner
    • Mouse wheel works over the workspace to scroll and zoom
    • New 'Support' panel
    • Cosmetic UI changes
    • Bug fix for highlighting the wrong buttons in the chord palette
    • Other bug fixes

    New in v2.06

    • Resizeable timeline
    • Change the key of an existing composition with chord harmonization
    • Bugfix for problem that inhibits loading an idea in the Idea Tool
    • ASIO improvements
    • Various minor fixes and stability improvements

    New in v2.04

    • Corrected the Windows 64bit download link
    • Improved audio import in the phrase inspector than in the track inspector
    • Set inspector fade in/out time in the settings
    • Can now select of chord progression for the specified scale
    • Bugfix for scale note shading on the piano roll
    • Bugfix for an issue when after phrase editing the phrase was not updated in the composition
    • Bugfix for Ableton Live! VST plug-in 'close' function
    • Bugfix for note parameters in sample phrases #9,#10,#11
    • Various other stability fixes

    New in v2.0

    • Rewritten GUI for better usability on small resolutions
    • Chords and progressions can be based on scale degrees, several chord notations offered
    • Cut/copy/paste works for phrases
    • Simplified structure editor
    • MIDI drag and drop tracks or composition to DAWs
    • Enhanced Idea Tool: generate a new composition for pressing a key
    • Enhanced reliability - the new recovery feature will recover your composition if the program or a plug-in crashes
    • Various other bugfixes
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