e-Xpressor Real MIDI Accompaniment Maker is designed for people who want to compose songs and play accompaniments by ear with a computer and sound card, as well as for all people who love music and wish to educate of ear to music.
The main features of the program:

* No knowledge of notate, chord names, keys etc. are required.
* Parses structure of melody and automatically recognizes its key and harmony.
* Generates chords for each bar of the tune and writes its in separate MIDI channel.
* Creates also several chords which can be used as replacements in each bar of composiotion.
* Offers convenient accompaniment edit interface permitting to change the chord progression by ear.
* Offers accompaniment styles for guitar or piano depending on the musical characteristics of the tune.
* Auto-arranger mode.
* Supports MIDI and XPR files.
* Supports General MIDI Set.

Minimum melody requirements for auto-accompaniment making:
a) the tune must be single-voiced.
b) the tune should not be short: it is better, if it contains not less than 8 bars.
c) the tune should not be too primitive (no on five notes).