Matthew K. Heafy

As the only constant member of the brutal and prolific but ever-changing Floridian act Trivium, this Japanese-born guitarist and vocalist became a key face of the early 21st century metal scene. Following their breakthrough 2005 album Ascendancy, Matt Heafy's self-taught, growling vocal technique was in demand and led to numerous guest appearances with like-minded acts. During the following decade, he made tentative steps into video game live streaming, before a key switch -- a focus on sharing his personal music rehearsals in real time -- became so popular that he began to ma...