AFTER 72 YEARS on Earth and half a century onstage, not too much fazes Dick Dale. The longtime "King of the Surf Guitar" (or "King of the 'Pulp Fiction' Theme" to younger listeners) is recovering from last year's cancer recurrence as well as the recent death of guitar innovator Les Paul, but that isn't stopping him and 17-year-old son Jimmy from hitting the Birchmere on Friday as part their as part of their East Coast family tour.