I've always had a soft spot for bands that could push the envelope when it came to songwriting and musicianship in the world of metal and rock. Those that could incorporate the ferocity and speed of extreme music while doing so have always been held in high regard. Not every band featured in this episode are "prog-" in the 70's King Crimson/Mahavishnu Orchestra style of bombast and complexity; nor do many lean into the classical and jazz territory as much as Emerson, Lake & Palmer a...