There is more than one artist with this name:

1) Caustic is a prolific, sometimes humorous, generally hard electronics project hailing out of Madison, WI. Created by Matt Fanale in 2002, Caustic has played all over the United States, in Canada, and in the U.K.

2) Caustic is a doom/death metal band from Denmark.

3) Caustic from Switzerland is a thrash metal band with technical / progressive influences.

4) Caustic is a Spanish Brutal Technical Death Metal band.
http://causticcult.com/band.php

5) Caustic is a rock/metal band from Watertown, NY. They've played with bands such as Korn, Skindred, Hed P.E., Disturbed, Muchroomhead, and Sevendust. Now currently called Caustic Method.
http://www.myspace.com/causticusa

6) Caustic is a west-coast battle rapper that also creates music.

7) Crossover/thrash metal/hardcore from Oklahoma, United States

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