Biography
1) Aberrant is a Colorado based grindcore band that has released numerous splits and EPs.
2) Aberrant is a progressive/groove metal band from India. They released one EP and a few singles.
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3) There is also an electronic band of the same name who has just released the Kirkbride's Dungeon EP on Radioslave's Rekids label.
Biography text from Last.fm, available under CC BY-SA.