Various, Jeff Scott Soto, Bruce Kulick, Bob Kulick, Chris Wyse, Ray Luzier, Lemmy, Billy Gibbons, Dave Grohl, Alice Cooper, John 5, Billy Sheehan, Vinny Appice, Ronnie James Dio, Tony Iommi, Rudy Sarzo, Simon Wright, Geoff Tate, Carlos Cavazo, James Lomenzo, Ray Luzier, Doug Pinnick, George Lynch, Billy Sheehan, Simon Phillips, Ripper Owens, Steve Morse, Juan Garcia, Marco Mendoza, Vinny Appice, Chuck Billy, Scott Ian, Jonathan Donais, Chris Wyse, John Tempesta, Oni Logan, Craig Goldy, Tony Franklin, John Tempesta, Stephen Pearcy, Tracii Guns, Bob Kulick, Billy Sheehan, Gregg Bissonette, Joe Lynn Turner, Bruce Kulick, Bob Kulick, Rudy Sarzo, Simon Wright, Tommy Shaw, Steve Lukather, Marco Mendoza, Kenny Aronoff, Doro Pesch, Michael Schenker, Tony Franklin, Frankie Banali, Girlschool, Steve Kudlow, Bumblefoot, Chris Chaney, Kenny Aronoff, Dez Fafara, Doug Aldrich, Blasko, John Tempesta

Bay Area Thrash Metal

Riffs cut like machine tools, tempos past 200bpm, and a garage circuit that rewrote American metal.

West Midlands Metal

Downtuned riffs from a factory city — Sabbath to grindcore, four decades of Birmingham making music heavier.