Backstreet Boys and Rascal Flatts capped off the 60th Academy of Country Music Awards with a collaborative performance that celebrated singing in perfect harmony, whether country or pop. Members of ...

Backstreet Boys and Rascal Flatts capped off the 60th Academy of Country Music Awards with a collaborative performance that celebrated singing in perfect harmony, whether country or pop.

When Rascal Flatts and the Backstreet Boys hit the stage at the ACM Awards on Thursday night, look for their medley to contain a few surprises. “We close out with ‘Thriller,’” bassist ...