Avant-garde (pronounced [avɑ̃gaʁd] in French) means "advance guard" or "vanguard". The adjective form is used in English, to refer to people or works that are experimental or innovative, particularly with respect to art, culture, and politics.
Avant-garde metal or experimental metal is a subgenre of heavy metal music characterised by the use of innovative, avant-garde elements, large-scale experimentation, and the use of non-standard sounds, instruments, and song structures.
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