Registrations are files that provide numerous banks of full instrument setups, allowing you to add new patches to your keyboard that are accessible at the touch of a button. Each registration picks on-board styles, tempos, one touch settings (OTS) and effects for on-board voices. "Super" registration packs refer to packs in which the included setups reference the songs from popular song books. "Artist" registration packs refer to packs in which the included setups reference music from a particular artist.