Harmonix and MTV Games have announced that Phase, a new interactive music title, has been released via the iTunes Store and is available for $4.49. Phase players can choose between 2 gameplay modes - QuickSpin and Marathon. Quickspin gameplay consists of choosing a single song at a time and utilizing the iPod click wheel to tap and glide using their iPod click wheel for moment-to-moment fun. Marathon lets users choose and engage in mini 5 song marathons that challenge players to get through a set of increasingly difficult songs. Press 'read more' for details