Princess" from Z², "Failure" from Transcendence and "Monuments of Glitch" from The Puzzle HigherHigh A - E-A-d-g-b-e'-a' - Standard tuning with a high 'A' instead of a low 'B'. Because of the high pitch of the 'A' string, it usually requires a multi-scale fingerboard (fanned frets) to provide enough tension.C tuning - C-F-A-d-g-c'-f' / C-F-B-e-g-c'-f'Half a step up from standard, used by Eddie Rendini during his time in Cold.C tuning - C-F-B-e-a-c-f The whole step up from standard. This tuning was used by Wes Borland with high E-string being lowered to C (C-F-B-e-a-c-c) on the first two Limp Bizkit records. Dropped These tunings have the lowest string (or other strings tuned one full step lower allowing for chord structures similar to six-string drop tunings.Drop B variations - B-F-B-E-A-C-F / B-F-B-E-G-C-F / B-G-B-E-A-D-G a tuning which combines the standard drop B tuning of a 6 string electric guitar, but with a high F for soloing. Used by bands such as All Shall Perish, Decapitated, Unearth, and Assemble the ChariotsDrop A#/Drop Bb variations - A-F-A-D-G-C-F / A-F-A-D-G-C-F tuning combining 6-string Drop A, with a high F string, half-step above Drop A, Used by TesseracT and Monuments (A-F-A-D-f-a-d)Drop A - A-E-A-D-G-B-E A combination of standard 6 string tuning and a 7th string dropped one full step for power chords, used by deathcore bands such as Suicide Silence, Oceano, Thy Art Is Murder, Chelsea Grin, Carnifex, and Whitechapel, as well as other bands such as Lacuna Coil, Emmure, Nile, Light the Torch, Betraying the Martyrs, Devin Holt of Pallbearer (Brett Campbell uses a 6-string), Blotted Science, New Years Day, In This Moment, Chimaira (on Pass Out of Existence and Crown of Phantoms), and occasionally Scar Symmetry, King 810, Dry Kill Logic, Eldest 11, December In Red, A Fall To Break, and CFO$ on some songs. Also used by Nickelback on "Edge of a Revolution", "Get 'Em Up", and "For The River", DragonForce on their song "Three Hammers" from their album Maximum Overload and Tallah.Drop A - alternatively, A-E-A-D-F#-B-E The same as drop A tuning for a 6-string on the low strings while retaining a high E. In effect converts a 7-string into a drop A baritone guitar, but with standard tuning's soloing capability. Used by Lorna Shore, Volumes, and Whitechapel on the song "This Is Exile".Drop G/Drop A -G-D-G-C-F-A-D / A-E-A-D-G-B-EOne half step down from standard Drop A. Used by bands such as Trivium