Two country music stars write biggest songs of the summer

SAN DIEGO (KUSI) – KUSI's Brandi Williams sat down with two of country music's biggest rising acts, Brett Eldredge and "A Thousand Horses"

Brett Eldredge had three number one songs back to back and even toured with Taylor Swift and Keith Urban.

He was also named CMA's new artist of the year.

Four guys from South Carolina and Georgia comprise, "A Thousand Horses" and they managed to write the biggest song of the summer. 

Their album "Southernality" is described as wild, free and powerful and it's in stores now.