Carrie Underwood won't be ''waiting all day for Sunday night'' this fall when NBC premieres a new theme song for its prime-time ''Sunday Night Football'' program. The Grammy-winning country star will be singing a new theme song, ''Oh, Sunday Night,'' during the first game telecast on Sept. 11 between the New England Patriots and the Arizona Cardinals. The song is based on her 2014 hit country duet ''Somethin' Bad'' with Miranda Lambert, but with new lyrics and additional changes to fit the program. More...