In time to commemorate the 70th birthday of the timeless musician Van Morrison, the luxury-travel outfitter Ker & Downey has orchestrated a trip to the singer’s birthplace of Belfast, Northern Ireland, where travelers will have the opportunity to attend an exclusive concert. Trips are scheduled for July 19 through 21 and August 23 through 25, with each trip offering a choice of two concert dates. For all shows, guests will be chauffeured to and from the Slieve Donard Resort and Spa where they will join 320…