A short introduction to the Addictive Keys software by XLN Audio available here http://www.gear4music.com/Recording-and-Computers/XLN-Audio-Addictive-Keys-Software/MNH from Gear4music.com. The Addictive Keys software gives you great sounding virtual pianos in an easy to use interface with a host of different options to create your own music including mix and match mic perspectives, professional effects and advanced envelope features.