Kristina Olsen (born on May 26, 1957 in San Francisco, California) is a contemporary folk singer-songwriter, known for her sometimes humorous and ribald songs. Many of her recordings appear on Rounder Records. On her recent albums, she collaborates with the Australian cellist Peter Grayling.
Rihanna(born Robyn Rihanna Fenty on February 20, 1988) is a Barbadian singer with musical influnces from pop,R&B,reggae,dancehall,and dance.Rihanna became known around the world with chart hits such as "Pon de Replay","SOS","Unfaithful","Break it off2,and more recently with"Umberella"and"Shut Up and Drive.Rihanna was born in Saint Michael, Barbados to Ronald and Monica Fenty. Her mother is a Guyanese of Barbadian origin and her father is Barbadian.