Country star Carrie Underwood has been announced as the voice of NBC's Sunday Night Football coverage, and is to perform the opening theme, Waiting All Day for Sunday Night.
Underwood, who makes her debut September 8 - the first SNF broadcast of the 2013 NFL season, said 'I am thrilled to be a part of NBC's Sunday Night Football and am so honoured they asked me. I have always loved football season'.