Metallica is one of those rare music bands that is almost as famous as Jesus himself, even though far not many people enjoy listening to their music. But we're absolutely sure that it's impossible to ignore the music if it's really good and thoughtful, you just have to adapt it to your musiс tastes! And when it comes to being talented enough to do it, there's only one person who's second to none at improvising, and right now he's going to introduce you to one of Metallica's greatest songs in 20 greatest styles!