By Denny Dyroff, Staff Writer, The Times Bombadil Bombadil, a band which is performing on December 8 at the World Café Live (3025 Walnut Street, Philadelphia, 215-222-1400, www.worldcafelive.com), has proven that it knows how to make good music — and how to survive the elements The band from the “Golden Triangle” area of North Carolina has dealt with personnel changes and with medical problems....