(Before switching to seven-stringed guitars), Bury Your Dead, Eye Empire, Dirge Within, Remembering Never, Metallica on the song "The Unnamed Feeling" from St. Anger, Chevelle (on This Type of Thinking (Could Do Us In) and Vena Sera), Also on "Mars Simula" The Amity Affliction, Acid Bath (on some songs), Obey the Brave, Fit for a King, Darkest Hour, Fozzy, Evanescence, 9oz. of Nothing, Sybreed, For the Fallen Dreams and Sevendust in more recent material, who have used variants of the tuning prior.Drop A - A-E-a-D-F-B / A-E-a-D-G-BTwo and one half steps down from Drop D. This tuning is most often used by death metal or deathcore musicians, such as Betraying the Martyrs, Carnifex, Oceano, Suicide Silence, or Whitechapel (which they use seven-string guitars and tune down the seventh string a full step). Utilized by bands like Nile, The Acacia Strain, Motograter, Thrice, Filter (on the songs "Columind" and "The Missing" from The Amalgamut and "Drug Boy" and "The Trouble with Angels" from the album of the same name), Jinjer, Motionless in White, Of Mice & Men, Norma Jean (On Polar Similar), The Devil Wears Prada on some songs, Dead by April, RED, Ill Niño (on Dead New World), Slipknot on some songs, Crowbar, and Amon Amarth. Make Them Suffer, Brett Campbell of Pallbearer (Devin Holt uses a 7 string), Bring Me the Horizon on the songs Parasite Eve and “1x1” from Post Human: Survival Horror, The Ghost Inside on the songs "Out of Control" and "This Is What I Know About Sacrifice", Five Finger Death Punch, and Parkway Drive on some songs from Deep Blue. Trapt uses this tuning on their songs "Hollow Man", "Waiting", and "Sound Off". Sevendust on "What You Are", Sleeping With Sirens on their songs "Medicine (Devil in My Head)", "Ghost", and "P.S. Missing You" from their album How It Feels To Be Lost. South Korean rock band FTISLAND also uses this tuning in some songs.Drop G/Drop A - G-D-g-C-F-A / A-E-a-D-F-BThree full steps down from Drop D. Utilized by Hypocrisy, (since Virus), [AWS] [Viszlát Nyár], Dead by April (on some songs), Metallica in the song "Invisible Kid" from St. Anger, Memphis May Fire, Stone Sour on the song "Red City" from House of Gold & Bones – Part 2, Asking Alexandria on their self-titled album, Damien Deadson, Love and Death, Wage War (on some songs), and The Acacia Strain. Staind also uses this tuning (but