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Dir En Grey (stylized as DIR EN GREY and previously as Dir en grey) is a Japanese metal band formed in 1997 and currently signed to Firewall Div., a sub-division of Free-Will. As of 2011, they have recorded eight full-length records with a lineup consistent since its inception. Numerous stylistic changes have made the genre of their music difficult to determine, though it is generally considered to be a form of metal. Originally a visual kei band, the band has opted for less dramatic attire in recent years.

Dir En Grey has toured through Asia, Europe, South America, and North America; Billboard commenting on the group's international fanbase, that the band "has transcended the language barrier in the United States through its music" and "gained its audience without singing in English"