Beyoncé Enlists 6-Year-Old Daughter Rumi for 'Cowboy Carter' Track: Listen!
Beyonce Releases 'II Most Wanted' Duet With Miley Cyrus on 'Cowboy Carter'
Beyonce in her own words: Singer says Cowboy Carter is 'best album' she has made adding there are 'no rules' when creating music as she enters country genre