Steven Wilson, the lead vocalist and guitarist behind reunited prog-rockers Porcupine Tree, recently explained that he’s “not a fan of the whole guitar shredder phenomenon.” That’s what the musician told Hack Music Theory in one among a series of videos over the last two weeks covering Wilson’s thoughts on musicianship, songwriting and theory. Watch the clips toward the bottom of this post. “I love that people can play like that,” Wilson remarks of lightning-quick guitar players, “but the fact is they feel the need to remind everyone they can play like that constantly — to me, that’s not music…