Fifteen years – Sigh. It was five years ago today that I first reflected on an anniversary of the death of the now legendary guitarist “Dimebag” Darrell Abbott who was murdered while onstage by a crazed fan during a Damageplan performance. Back when he was killed in 2004, there was no PiercingMetal.com yet and I was still new to the game and only submitted reviews to a site over in Barcelona,…