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, 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