CocoRosie is an American musical duo formed by sisters Sierra Rose Casady ("Rosie") and Bianca Leilani Casady ("Coco") in 2003.
Sierra mainly plays the guitar, piano and harp, and contributes vocals. Bianca sings and manipulates various children's toys/electronic & percussion instruments. CocoRosi
John Aloysius Fahey was born in Takoma Park, MD into a musical household--both his parents played the piano. On weekends, the family often attended performances of top country and bluegrass groups of the day, but it was hearing Bill Monroe's version of Jimmie Rodgers' "Blue Yodel No. 7" on the radio