1. A method for scrolling a list of items on a display screen of a portable device with a user interface for scrolling by user touch, the method comprising: showing on the display screen the list of items, the list of items representing a selection of items for playback at a playback device separate from and controlled by the portable device via a wireless interface; displaying an indexing display that comprises a plurality of indexes, each of the indexes corresponding to a group of items in the list of items that share one or more common characteristics, wherein the indexing display is displayed in relation to the list of items; facilitating a user scrolling on the user interface through the indexing display for a desired index; updating displayed items in the list based on the desired index; associating the user interface with items in the list corresponding to the desired index and at least one item corresponding to an unselected index such that selection of an item is used by the portable device to configure the playback device to play the selected item; and displaying items in the list corresponding to the desired index and at least one item corresponding to an unselected index for user selection, wherein displaying includes highlighting either a first item or a last item in the desired index, and wherein, when the first item in the desired index is highlighted, then the at least one item corresponding to an unselected index includes a last item in a preceding index, and, when the last item in the desired index is highlighted, then the at least one item corresponding to an unselected index includes a first item in a following index.