Anonymous 4 are a female a cappella quartet, based in New York City. Their main performance genre is medieval music, although they have also premiered works by recent composers such as John Tavener and Steve Reich.
The name of the group is a pun on the name used to refer to an anonymous English music theorist of the late 13th century, Anonymous IV, who is the principal source on the two famous composers of the Notre Dame school, Léonin and Pérotin.
Anonymous 4 have performed in cities throughout...
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