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 on the display screen an indexing display that comprises a plurality of grouped indexes, each of the grouped indexes corresponding to 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 to select a desired grouped index; and responsive to selecting the desired grouped index, displaying on the display screen an updated list of items based on the desired grouped index to show items in the list of items corresponding to the desired grouped index and at least one item corresponding to an unselected grouped index; wherein displaying the updated list of items includes highlighting either a first item or a last item in the desired grouped index, wherein when the first item in the desired index is highlighted, then the at least one item corresponding to an unselected grouped index includes a last item in a preceding index, and, when the last item in the desired grouped index is highlighted, then the at least one item corresponding to an unselected grouped index includes a first item in a following grouped index, and wherein selection of an item is used by a portable device to configure the playback device to play the selected item.