Richard Marx is singing some country...
Tim McGraw is #1...

Keith Urban, Darius Rucker and Randy Houser contribute to songs on classic rocker Richard Marx's new album, Songwriter. 
The album is divided into four categories -- country, pop, rock and ballads. Keith, Darius and Randy each took a turn writing with Richard for the country part of the record. 
Songwriter comes out on September 30th. 

Congratulations go out to Tim McGraw. His single, "7500 OBO," lands at number-one on the Mediabase country singles chart this week.