In 1986, four women gathered in a casual setting to sing through a bit of medieval chant. Little did they know they were launching Anonymous 4, an a cappella ensemble that has spanned nearly 30 years, ...

As part of its Sunday afternoon concert at the Isabella Stewart Gardner Museum, the vocal quartet Anonymous 4 programmed a three-part motet from the 13th-century Montpellier Codex. The piece is odd.

“I like singing,” says mezzo-soprano Susan Hellauer, “but I love the library.” This is no throwaway line, because Hellauer’s ensemble, Anonymous 4, is no ordinary group. Established in 1986 as a ...

After this season, the glorious female vocal quartet Anonymous 4 is closing up shop as an ensemble, the singers going their separate ways. This happened for the first time in 2004 when, after 18 years ...

"GLORYLAND," THE LATEST CD by Anonymous 4, celebrates American folk traditions in much the same way cellist Yo-Yo Ma did when he embarked on his Appalachian journey a few years ago. Exceptional ...

Brother, Where Art Thou? meet American Angels. American listeners were captivated by the soundtrack of country, blues and other Southern music that accompanied the Coen brothers' film about escaped ...

For nearly 30 years, the women of the vocal quartet Anonymous 4 have been enchanting audiences with the tonal purity and easeful elegance of their singing. On Sunday night, the group brought out those ...

, the Anonymous 4 CD of American sacred folk music, has been an astonishing hit, muscling its way onto the best-seller lists at Web sites such as amazon.com and barnesandnoble.com. Success comes just ...