Impro-Visor is a music notation tool for producing monophonic lead sheets.

Chord symbols are used to generate backing tracks automatically. Improvisation advice exists in the form of note coloration, a database of licks, and automatic lick generation from grammars. Grammars can be learned automatically from transcriptions. Styles can be edited and created by the user. Other features include generation of roadmaps for understanding keys and idiomatic chord progressions, chord voicing keyboard, MIDI and MusicXML export.

Impro-Visor Features:

Impro-Visor = Improvisation Advisor, focused on leadsheets with monophonic melody
Music notation using point-and-click, with visual harmonic hints and advice
Uniform interface on all major platforms (Windows, MacOSX, Linux)
Huge store of musical knowledge about chords, scales, licks, etc.
Music saved as text files, can be entered as text if desired
Auto-generated accompaniment from chord progressions
Roadmap generator (showing keys and chord bricks)
Automatic grammatical inference for melodic styles
Automatic lick generation from grammars
User-specifiable accompaniment styles
MusicXML import thru MuseScore
MusicXML and MIDI exports
MIDI import (single track)
Easy, fast chord entry
Style editor