Well hard songs (Fire of the Storm of dragonforce, This Day we Fight Megadeth, ...), a new system of friendly powers.
The fast part fashion revised and corrected, or you unlock Art Gallery, accessories, and other Characters Cheat via its 'Rang Etoile'.
A fashion collection with a ptite story that reveals the songs without getting bored of the game as it could be in GH5.
In short, a good GH and it was time.
