#1
Can we list as many Drop B and Drop A heavy bands here as possible? I need some new stuff, and I'm a little dry for lower-tuned stuff.

I know Parkway Drive, Slipknot and Machine Head play in these tunings, so any other stuff would be appreciated, thanks
#2
Drop B bands:

Veil of Maya
Architects
Blind Witness
Bleed From Within
Despised Icon
Elitist
Heart In Hand
Iwrestledabearonce
Knights Of The Abyss
Mychildren Mybride
The Chariot
The Ghost Inside (first album)
The World We Knew
This Or The Apocalypse (second album)
The Devil Wears Prada (newer albums)
I Killed The Prom Queen (later albums)
Sleeping Giant

Drop A bands:

Whitechapel
Oceano
My Autumn
Betraying The Martyrs
Desolated UK
In Dying Arms
Liferuiner (newer stuff)
Martyr Defiled

Drop A# bands:

Parkway Drive (newer stuff)
Brutality Will Prevail
Chunk No Captain Chunk
Demoraliser UK
For The Fallen Dreams
Last Witness
Odessa UK
The Ghost Inside (newer stuff)
Upon A Burning Body
Your Memorial

Lower tuned bands (such as 7/8 stringed bands):

After The Burial
Born Of Osiris
Heart Of A Coward
A Plea For Purging (two latest albums)
Animals As Leaders
Creations
Volumes
Structures
Virtues UK
The Tony Danza Tapdance Extravaganza
Meshuggah
Periphery

Hope these bands help you!
#4
Despised Icon is B Flat.

Drop B:
Annotations Of An Autopsy (BTTOI Album)

Drop A#:
In Flames
Bring Me The Horizon (-.-)

Drop A:
The Acacia Strain (Continent and earlier)
Chelsea Grin
Carnifex
Emmure
Impending Doom
Suicide Silence