No specific info about version 4.0. Please visit the main page of Harmony Engine x64 on Software Informer.
If you are smart and you like fast word challenges, you will love this game.
drum,editing,music composition,composition,editor,arranger,guitar
ArcGIS Engine is a complete library of embeddable GIS components for developers.
Harmony Practice can help to understand better the four-part harmony.
Torque Game Engine Demo 1.5 provides all game creation tool needed.
It's a software that generate harmonic colors from a base color.