Need Help Directing Effort.

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GREG BURGESS // 1.618 (Allegaeon) // Carillion playthrough

https://www.youtube.com/watch?v=5DuldZUpre4&ab_channel=CarillionGuitars

Greg Burgess of the mighty Allegaeon running through 1.618 from the album Elements Of The Infinite. Greg is playing a Polaris 8 set neck, Flame top. Full spe...

Been playing three years now. I enjoy learning music theory and have been studying the Modern Method for Guitar book and JustinGuitar's program. I have learned a lot of stuff but the attached video is where I'd like to be, albeit in 20 years. I have basically been learning the guitar through Jazz and Acoustic lessons when I really want to be playing metal. Any comrades have recommendations on a course/book/pathway to concentrate my efforts? Thank you.

P.S. I really dislike the singing in the vid but the guitar is awesome.