MAREN MORRIS, BRANDI CARLILE: The Highwomen Ride in September .. WATCH!

The Highwomen-- the supergroup of Brandi Carlile, Maren Morris,Amanda Shires and Natalie Hemby-- will release their self-titled album on September 6th.

The video for their first single, "Redesigning Women," features a number of cameos by female singers, including Wynonna Judd, Raelynn, Lauren Alaina and Tanya Tucker.

The album also features Sheryl Crow playing bass and doing some background vocals, plus Jason Isbell, Shires' husband, on guitar.