Jack White is on the porch of a run-down farm house in the middle of nowhere, Tennessee. He’s slamming nails into a slab of wood and fitting an old coke bottle under a tightly-wound string. He plugs the contraption into an amp and, picking up a cigarette, says, “Who says you need to buy a guitar?”

This is the opening scene of Davis Guggenheim’s new documentary, "It Might Get Loud," a film that traces the music geniuses of three electric guitarists from three different generations: Jimmy Page, the Edge and Jack White. As they sit around a stage in the middle of a seemingly bare warehouse, each shares his own unique perspective of the electric guitar and the nature of the rock and roll that surrounds it. What ensues is a narration of the three guitarists’ very distinct musical roots, backgrounds and influences.

We watch as Jack White instructs a young boy to play a crappy electric guitar with his feet. We are guided by Jimmy Page through the English countryside home where When The Levee Breaks was recorded. We are shown the ridiculously complex technological contraption the Edge uses to make works of art out the most simple note progressions.

At the heart of the film, though, is the one thing that binds all three virtuosos: the electric guitar. The documentary’s free-form structure binds each musicians story and traces the three very different roots to this one simple, yet mastered instrument.

I am not a fan of U2 and consider White to be far more talented and ingenious than the other two. Yet, personal opinion is futile, as we are allowed to snatch just a small glimpse into the world of masterful guitar playing, one that us amateurs have only dreamed of becoming a part of.

The rock doc culminates in a collaboration of the three legends sitting around the stage playing perhaps the greatest jam session ballad: The Band’s "The Weight." In the end, despite their intangible geniuses, they are uncomplicated guitarists with a desire to make really good music. Watching "It Might Get Loud" simply makes you appreciate it all a little bit more.

"It Might Get Loud" is playing at the Ragtag Theater on Tuesday, Oct. 13 at 9 p.m. and Wednesday, Oct. 14 at 4:45 p.m.