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 Home » Freeware Downloads » Music Education » Impro-Visor 9.10 for Windows   
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Impro-Visor 9.10 for Windows
Impro-Visor (short for “Improvisation Advisor”) is a music notation program designed to help jazz musicians compose and hear solos similar to ones that might be improvised. The objective is to improve understanding of solo construction and tune chord changes. There are other, secondary, things it can do, such as improvise on its own. It has also been used for transcription. Because rhythm-section (e.g. piano, bass, drums) accompaniment is automatically generated from chords, Impro-Visor can be used as a play-along device. Now having a wider array of accompaniment styles, its use is not limited to jazz.

Partial List of Features:

Lead sheets and solos can be constructed through either point-and-click or using a plain text editor (one is provided, but any editor can be used).

Optional automatic note coloration shows whether notes are consonant or dissonant with chords and scales.

Chords may also be entered quickly through a "roadmap" editor, which also analyzes chord changes for implied keys and idiomatic progressions ("bricks").

Harmonic note entry option guides the user to select notes that are consonant with harmony. Similarly, transposition options provide chromatic or harmonic transposition.

Solos or solo fragments can be played back immediately on the computer, with automatic rhythm section accompaniment.

Can be used for self-study, classroom, or play-along. Any segment of a leadsheet can be played back in looped mode.

Users can define new accompaniment styles. There is spreadsheet-like Style Editor, and a Style Extractor facility that helps create styles from MIDI performances. .

Solos and heads may be exported as MIDI files, with accompaniment if desired.

Solos and heads may be exported as MusicXML, for import to other popular music notation software.

It is not necessary that the soloist memorize the solos that are created in Impro-Visor. The act of constructing solos is intended to help one get a better understanding of the tune and of solo construction. But one can use some or all of the ideas from pre-constructed solos, as many generations of outstanding players have done.

Impro-Visor also provides a way for the user to create and save licks for later use. Lick creation is helpful in understanding how to construct interesting lines over chord changes.

When used for transcription, Impro-Visor allows easy "mining" of selected licks from a solo for future reference.

Impro-Visor uses menus to help one choose notes, cells, idioms, licks, and quotes for use in constructing a solo.

Musical knowledge about chords, scales, licks, etc. are definable by the user or instructor, in the form of a vocabulary text file. These items are defined in a single key, and Impro-Visor will transpose them to any key.

Impro-Visor includes a powerful lick generation capability. Licks, or entire choruses, can be generated in near-real time just by pressing a button. The generation of licks is controlled by a user-modifiable grammar, so that a range of styles and complexities is possible.

Impro-Visor can learn grammars for a particular style from a corpus of solos.

Impro-Visor saves solos and other lead sheets as free-form text. We call this leadsheet notation. Although a point-and-click interface is provided, users can optionally enter chords and/or melody in this notation with a standard text editor and have them displayed as a lead sheet in Impro-Visor. The documentation tells how to create and interpret the notation. The notation also provides slash-chords and polychords.

Any number of leadsheet windows can be open simultaneously. The user can cut and paste melody and chords from one window to another.

The release of Impro-Visor comes with a few example leadsheets. More resources are available through the Yahoo! users group:

Impro-Visor is free and runs on any platform that supports Java 1.6 or later, including:

Windows (10, 7, 8, Vista, XP, 2000, maybe others)
MacOSX (with Java 1.6 installed)

Documentation that you might find helpful:

Scale and Chord Repertoire

To Improvise Jazz Melodies
by Bob Keller

Guide to
Leadsheet Notation

Other papers and presentations on, or related to, Impro-Visor


Concept:Bob Keller


Bob Keller, Steve Gomez, Martin Hunt, Stephen Jones,

David Morrison, Belinda Thom, Aaron Wolin, Jim Herold, Brandy McMenamy, Sayuri Soejima,

Jon Gillick, Kevin Tang, Emma Carlson, Stephen Lee, Lasconic (Nicolas Froment),

Zack Merritt, Xanda Schofield, August Toman-Yih, David Halpern, Jack Davison,

Audrey Musselman-Brown, Kevin Choi, Brian Howell, Caitlin Chen, Nicolas Chung, Anna Turner,

Hayden Blauzvern, Nate Tarrh, Brian Kwak, Eric Chicot, Alex Putman, Carli Lessard,

Mark Heimann, Nava Dallal, Becki Yukman


Bob Keller, Steve Gomez, Martin Hunt, Stephen Jones,

David Morrison, Aaron Wolin, Jim Herold, Brandy McMenamy, Sayuri Soejima, John Goodman,

Jon Gillick, Kevin Tang, Emma Carlson, Stephen Lee, Chad Waters, Lasconic (Nicolas Froment)

Zack Merritt, Xanda Schofield, August Toman-Yih, David Halpern, Jack Davison,

Audrey Musselman-Brown, Kevin Choi, Brian Howell, Caitlin Chen, Nicolas Chung, Anna Turner,

Hayden Blauzvern, Nate Tarrh, Brian Kwak, Willem Engen, Eric Chicot, Alex Putman,

Carli Lessard, Mark Heimann, Nava Dallal, Becki Yukman


This project was supported by a Mellon Foundation Faculty Enhancement grant to Professors Keller and Thom,

by the National Science Foundation REU Program under grant Award No. 0451293 to Harvey Mudd College,

by a grant from the Baker Foundation, and by Harvey Mudd College.

Release notes for Impro-Visor 9.10 A new Advice tab is added called Rhythms. This provides an assortment of rhythms for entry into a leadsheet. The rhythms can be given pitches, or left as a single pitch, corresponding to the root of the chord. A report is generated for a chorus as to how many red notes there are, and the amount of space occupied by them in the chorus overall. A bug reported with roadmaps that start blank and have chords added to them not playing. The imaginary book and various other leadsheets is now included in release.

Continue below to download this file.

Downloads Views Developer Last Update Version Size Type Rank
2,015 5,881 Bob Keller <img src=""border="0"> Jul 10, 2018 - 00:37 9.10 470.79MB EXE 5/5, out of 21 Votes.
File Tags
Impro-Visor  9.10  for  Windows  

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