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

RapidComposer LE features:

• 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 plugins) support
• SoundFont (.SF2) support

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