The Highwomen—Brandi Carlile, Amanda Shires, Maren Morris and Natalie Hemby—reached No. 1 on the Billboard Top Country Albums chart with the release of their self-titled debut album.

The new album, which also reached No. 10 on the Billboard all-genre Top 200 chart, moved 34,000 equivalent units, according to Nielsen Music.

The Highwomen were joined by several guest musicians, vocalists and songwriters on the new album. The project features Sheryl Crow (background vocals, bass), Yola (vocals, background vocals), Dave Cobb (acoustic/electric guitar), Jason Isbell (acoustic/electric guitar), Phil Hanseroth (bass, background vocals), Tim Hanseroth (guitar, background vocals), Chris Powell (drums) and Peter Levin (piano and keyboards) with songs written by Carlile, Hemby, Morris, Shires, Isbell, the Hanseroth twins, Rodney Clawson, Lori McKenna, Miranda Lambert and Ray LaMontagne among many others.

“Anyone can be a Highwoman,” Carlile notes. “It’s about banding together, abandoning as much ego as humanly possible, holding one another up and amplifying other women every chance we get. Shoulder to shoulder. One push, one love.”

The supergroup’s name is a play on The Highwaymen—a supergroup that featured Johnny Cash, Kris Kristofferson, Willie Nelson and Waylon Jennings.