Heaviest Non-Metal Artists

For non-metal artists and artists who do not always make metal music. Do not be an elitist, bands like Slipknot are metal. An exception is if there is a heavy non-metal album/song by an artist who has made metal music otherwise, in which case please state in the comment which album/song you are referring to.

Of course, use your subjective definition of heaviness.

Put the genre of the artist in parenthesis.
The Top Ten
1 Pharmakon (Death Industrial/Noise)
2 Merzbow (Noise)

His music is insanely heavy even most extreme metal bands are soft by comparison. Also I don't know if I want to add them because most of their music isn't especially heavy but Daft Punk have some surprisingly heavy songs early in their career.

3 Nine Inch Nails (Industrial Rock) Nine Inch Nails (Industrial Rock) Nine Inch Nails is an American industrial rock band, founded in 1988 by Trent Reznor in Cleveland, Ohio.

Broken is arguably a metal EP, but the album The Downward Spiral is mostly a heavy form of industrial rock rather than metal.

4 Author & Punisher (Electro-Industrial)

He is often called a metal artist, but his album Beastland doesn't have much guitars and is mostly synth-based.

5 Swans (Experimental Rock) Swans (Experimental Rock) Swans are an American experimental rock band formed in 1982 by singer, songwriter and multi-instrumentalist Michael Gira.
6 Death Grips (Experimental/Industrial Hip Hop) Death Grips (Experimental/Industrial Hip Hop) Death Grips is an American experimental hip hop band from Sacramento, California, formed in 2010. The group consists of vocalist MC Ride, drummer and producer Zach Hill, and recording engineer Andy Morin.
7 Chelsea Wolfe (Gothic Rock)

Definitely metal-influenced but I wouldn't call her music exactly metal.

She had a couple of metal songs, but she's mainly neo folk/experimental/gothic. Incredible artist

8 Aphex Twin (IDM) Aphex Twin (IDM) Richard David James (born 18 August 1971), known by his stage name Aphex Twin, is an Irish-born English electronic musician and composer. He is known for his influential and idiosyncratic work in electronic music styles such as IDM and acid techno in the 1990s, for which he won widespread critical acclaim. ...read more.
9 Humble Pie (Hard Rock, Blues Rock) Humble Pie (Hard Rock, Blues Rock) Humble Pie were an English rock band formed by Peter Frampton in Essex during 1969. They are known as one of the late 1960s' first supergroups.
10 Ike & Tina Turner (Soul)
The Contenders
11 Cold Chisel (Pub Rock) Cold Chisel (Pub Rock) Cold Chisel are an Australian pub rock band, which formed in Adelaide in 1973 by mainstay members Ian Moss on guitar and vocals, Steve Prestwich on drums and Don Walker on piano and keyboards.
12 Seven Year Witch (Hard Rock, Blues Punk, Garage Rock)
13 Bo Diddley (Rock and Roll) Bo Diddley (Rock and Roll) Ellas McDaniel, known as Bo Diddley, was an American singer, guitarist, songwriter and music producer who played a key role in the transition from the blues to rock and roll.
14 Twenty One Pilots (Pop Rock) Twenty One Pilots (Pop Rock) Twenty One Pilots is an American musical duo that is originally from Columbus, Ohio, who are best known for their songs "Stressed Out", "Heathens" and "Ride". Currently there are two members, Tyler Joseph (lead vocals, piano, keyboards, synthesizers, ukulele, bass and guitar) and Josh Dun (drums and ...read more.
15 Hatari (EBM)
16 The Prodigy (Breakbeat/Big Beat) The Prodigy (Breakbeat/Big Beat) The Prodigy are an English electronic music group from Braintree, Essex, formed by Liam Howlett in 1990. The members were originally Liam Howlett (keyboardist and composer), Keith Flint (dancer and vocalist), Maxim (MC and vocalist), Leeroy Thornhill (dancer and occasional live keyboardist), and a female ...read more.
17 Skrillex (Dubstep) Skrillex (Dubstep) Skrillex is an American (Born in 1988, in Los Angeles, California) EDM producer who is known for popularizing dubstep. He is part of the bands Jack Ü (DJ) and From First To Last (Lead Singer). His album Recess debuted at 4 on the BB200, tying him with Zedd for the highest debut for an EDM album on ...read more.
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