It's hard to think of many top musicians over the last 50-plus years who haven't made an appearance at the Iowa State Fair.

Promising the largest gathering of hit songwriters in Las Vegas history, the festival will feature writers who have worked with artists like Taylor Swift, George Strait and Garth Brooks.

AM as Rob + Holly talk to Country music’s biggest stars, and play the Top 20 Audacy Country songs every weekend! Keith Urban, Carrie Underwood, Miranda Lambert, Garth Brooks... you never know who'll ...