Metal Method is both one of the longest established and worlds most popular video guitar lessons having taught well over 100,000 guitarists to date.

[2] After relocating to Los Angeles, California to pursue a music career leading the hard rock band Hawk, his prior students requested continued instruction, necessitating a long-distance teaching methodology by postal mail.

Marks' rock band performing in Hollywood, California included Lonnie Vincent (BulletBoys) on bass guitar and Scott Travis (Judas Priest, Racer X) on drums.

[3] Marks later released the first Hawk album independently, featuring David Fefolt on vocals ,[4] and Matt Sorum (Motörhead, Guns N' Roses, Velvet Revolver) on drums.

Metal Method includes other professional music instructors' lessons, including Michael Angelo Batio (Holland, Nitro and Solo Artist), Jim Gillette, Dan Mumm, Sarah Spisak, Dee J Nelson (Dope), Will Flaherty, Dave Bates and Tracy Longo (Guitar Tech to the stars).