Alcoholic Beverages - As enacted, clarifies "premises" for purposes of the sale of alcoholic beverages for on-premises consumption in regard to establishments licensed for such sales in Clarksville within or adjacent to a certain specified area in downtown near the riverwalk; authorizes Clarksville to, by ordinance, reduce or prescribe the hours and days upon which alcoholic beverages, beer, and wine may be consumed in the specified area, within the limits of general law. - Amends TCA Title 57.