AURORA, Colo. – The sound of children playing could be considered music to the ears of most parents – but what happens when the children can’t hear their parents or each other? That had been the case for Jackie and Chris Isenberger, of Cheyenne, Wyo., and three of their five children. But life-changing surgeries have allowed the three to once again play, giggle, yell and listen to their heart’s extent. Adam, 14, is the oldest of the bunch.