Their ingeniously arranged rhythm guitars fueled one of prog metal's most pioneering bands and gave them an orchestral edge – how Queensrÿche's Michael Wilton and Chris DeGarmo became two of metal's most cerebral riff-masters

Queensrÿche's high-concept metal still feels cult even though the Washington band are bona-fide platinum-selling stars. DeGarmo and Wilton's approach can be applied across all metal subgenres, too