DragonForce (7-string guitars, except for the song "Three Hammers").Decapitated (On the Blood Mantra album).Dave Matthews Band (On "You Never Know").Coheed and Cambria (Key Entity Extraction II: Hollywood the Cracked, Key Entity Extraction V: Sentry the Defiant).Coal Chamber (BEADGB, although some songs used drop A).Celtic Frost (on " Monotheist" and live performances during 2000s).Cathedral (on the albums Forest of Equilibrium, The Ethereal Mirror, Statik Majik, and The Garden of Unearthly Delights).Cavalera Conspiracy (on the album Blunt Force Trauma and some songs on the album Inflikted).Blood Red Throne on the album Altered Genesis.Black Label Society On "13 Years of Grief" from the album Stronger than Death.Biomechanical (7-string guitars) on the album Cannibalised.Attack Attack! on the album self-titled Album.Arch Enemy (On their first three albums: Black Earth, Stigmata and Burning Bridges and a few songs from their more recent albums).Animals as Leaders (On most of their first album, 7-string guitars).Aghora (7-string guitars) (on the album Aghora (album)).tune the whole guitar down a perfect fourth from standard tuning, then tune the 6th string a whole step down). This is a "drop 1" tuning in the key of B (i.e. Also, for a 6-string guitar, drop A tuning is achieved by tuning all strings down a 4th with the lowest string tuned 1 additional step down as follows A1-E2-A2-D3-F#3-B3. Some bands use a tuning known as "drop A tuning", where they drop the low B to A, so the tuning for a 7-string guitar is as follows A1-E2-A2-D3-G3-B3-E4. This tuning is popular among several different types of metal bands. B tuning can also be achieved on a six-string guitar, when the strings are tuned B-E-A-D-F♯-B, known then as Baritone Tuning. B Tuning or B Standard Tuning is the standard tuning for a seven string guitar, where the strings are tuned B-E-A-D-G-B-E.