Roberto Agustín Trujillo (born October 23, 1964) is an American musician and songwriter best known as the current bassist of the heavy metal band Metallica, a position he has held since 2003. Trujillo is primarily a finger-style player, but has been known to play with a pick in some recordings and while playing live.

On the other hand, Kirk Lee Hammett (born November 18, 1962) is an American musician who has been lead guitarist and a contributing songwriter for same band Metallica since 1983. In 2003, Hammett was ranked 11th on Rolling Stone’s list of The 100 Greatest Guitarists of All Time.

In this video, you can see Robert Trujillo playing outstanding guitar solo being a bassist. Kirk Hammett gets shocked on seeing Robert playing the guitar. Watch the video of Robert intimidating Kirk below. Really awesome!!