Last year, when Trivium toured North America with Dream Theater, we sat Matt Heafy down with John Petrucci for an extended conversation about guitar - playing technique, exercises, and much more - which we're presenting now, in four segments.

Here's the first one:

Trivium are on tour in North America again right now, with In Flames, Veil of Maya and Kyng; click here to find a show near you!

To get your copy of their latest album, In Waves, stop by our webstore!