Aesop Rock
All Shall Perish
Army of Pharaohs
As Blood Runs Black
As I Lay Dying
Asking Alexandria
Atreyu
August Burns Red
Beneath the Sky
Born of Osiris
Bring Me the Horizon
Children of Bodem
The Coup
The Crimson Armada
Cute is What We Aim For
A Day to Remember
Devil Driver
Drop Dead Gorgeous
Elysia
Emmure
Eyes Set to Kill
eXo
For Today
Four Year Strong
From the Shallows
The Ghost Inside
GIGGS
The Human Abstract
I Killed the Prom Queen
In Flames
Inearthed
Jedi Mind Tricks
K-Kobe
Knights of the Abyss
La Coka Nostra
Living Legends
LMFAO
Matisyahu
Miss May I
Mt. Eden
Of Mice & Men
Outerspace
Paramore
Parkway Drive
Saosin
Sea of Treachery
Set Your Goals
A Skylit Drive
T. Mills
Texas in July
Underoath
We Came as Romans
We the Kings
Winds of Plague
4th25
Allay The Sea
Atilla
Burry Tomorrow
UNEARTH
Destroy the Runner
Shadows Fall
Circa Survive
Korn
Mors Principium Est
Sky Eats Airplane
Eyedea and Abilities
Wasted Bullet
To The Lions
Drake
Oh, Sleeper
I Set My Friends on Fire
Haste the Day
Defiler
Dead Prez
We Are The Ocean
Abandon all Ships

Lamb of God
BFMV
all that remains

...so, I trust you're up on the following?

Haiku d'Etat
Freestyle Fellowship
A Tribe Called Quest
Immortal Technique (inb4 Hip Hop heads scream "PLAYED OUT!!!")
Sage Francis
Public Enemy
KRS-One

If you ain't know, get ta knowin'.