How to become a shredder? I know that practice is important thing, but what techniques (maybe theory) should I practice.
scales and modes, every day, play through all the modes of major and minor scales... for example, play an ionian, dorian, phrygian, lydian, mixolydian, aeolian, and locrian modes, then do the harmonic minor scale... and that should help. As you progress and memorize the patterns try to do them faster, but keep accurite. After that, work on sweep picking... after that get your speed up, memorize the best shred paterns, and then your well on your way.