Short description of Rhythm'n'Chords MIDI FX 2.6.2: Rhythm'n'Chords is the most convenient and powerful tool for creating guitar accompaniment parts in MIDI format. We offer a mind-blowing Guitar Rhythm Pattern Library for Rhythm'n'Chords, containing thousands of top-shelf guitar rhythm phrases and techniques, copied from real guitar parts ever played by the World's most acclaimed musicians and bands.