Grunge featured a sludgy, murky guitar sound that synthesized heavy metal and punk rock. The sludgy guitar grind of heavy metal. The Melvins slowed down punk rock to developed their own slow, heavy, sludgy sound. Zach Huskey wrote some slower tempo songs, tuned down, heavy, slow, and sludgy. The chorus is catchy yet sludgy and has some grit to it. My Ruin create an abrasive, sludgy noise, punctuated by moments of melody and calm. The "NME" however, called "Smokin'" "sludgy" and suggested that it was "Outspaced" "fairly naff nadir". The album differed from its predecessor, showcasing a more "sludgy" side to the band. However, many groups confine themselves to a crawling, sludgy pace. And those pathetic little patches of sludgy snow were shining white. It has a clear to light yellow sludgy appearance. A sludgy devil character called Ruhin was also featured. The whale, soon nicknamed "Sludgy", was unable to get out and soon died.