Lady Antebellum, ‘Downtown’ Hits No. 1; Carrie Underwood Talks ‘Sound of Music’ Role + More: Country News RoundupLady Antebellum, ‘Downtown’ Hits No. 1; Carrie Underwood Talks ‘Sound of Music’ Role + More: Country News RoundupCapitol Nashville The Boot rounds up today's country music news from around the web.The Boot StaffThe Boot Staff