The 3P and Chorus Upgrade is a complete rewrite for the Roland JX-3P. It includes many new features and transforms the Roland 3P. More...   The Patch Editor has been designed for easy 'live' use with many of the older  keyboards with easy to use controls for supported synth types. Every active control will  light up to make fast changes simple and buttons are colour coded depending which  state is active. Each control that is changed will clearly identify itself on the display.  More...   ©Roland, Korg, Sequential Circuits, Oberhiem,  Cheetah are all owned by their respected owners.