Carrie Underwood is a country pop singer and songwriter. The winner of the fourth season of the TV show "American Idol," she has since become a multi-platinum selling recording artist and a multiple Grammy Award winner.
Keith Urban is a country music singer, songwriter and musician from Australia. He has charted more than fifteen singles on the U.S. country charts, including fourteen number ones. Urban plays acoustic and electric guitar, as well as banjo, bass guitar, mandolin, piano, sitar, bouzouki and drums.
Usher is a singer, dancer, recording artist and actor from Texas. Usher has sold over 65 million recordings worldwide. He also has a knack for discovering and developing talent, his newest project being Justin Bieber.