Sludge Metal, Trieste, Friuli-Venezia Giulia, Italy
from 2011 release Grime
Tag: sludge
Blackened Sludge Metal, Chicago, Illinois
from 2012 release Pervertor
Highly Recommended!!!
doom metal ambient sludge, Glasgow, Scotland
Black/Sludge Metal, Hardcore, Ravenna, Emilia-Romagna, Italy
Sludge Metal, London, England
from 2012 release This Disgrace
http://www.metal-archives.com/bands/Art_of_Burning_Water/127845