Verified OS iOS7 more
"Application Chord-Changer to Packages Marriott.com easily substitute chord"
In thinking chord progression, it becomes always similar atmosphere in the same pattern. Such experience there is always so long If you have a composer.
This iPhone app, for putting the change into song, you might have easily find a substitute chord.
You can determine the chord name from the chord constituent sounds, the ability to display the presser how chord from the chord name (piano) installed.
How music you can find our whether the will change in the Web site.
http://chord-changer.com/?lang=en