If you haven't been able to locate the elusive "Dr. Feel Good," look no further. When you hear the pounding, driving, thumping, gutsy sounds erupting from the keyboard with New Orleans' native son Dr. John at the helm, you know you've discovered the good doctor's whereabouts and are experiencing the essence of New Orleans' "magical beat" emanating from his fingertips. His potion—guaranteed to cure whatever ails you—combines jazz, rock 'n' roll, funk and rhumba blues in a blend that defies des...