Grimes released an audio snippet of "No Horse to Ride."
"It's unfathomable to me," the country star said in a TikTok.
Frank Ray and Nate Smith will also perform during the show, which concludes the annual Country Radio Seminar in Nashville.
The From the Fire Tour starts in June in Columbus, Ohio.
Ingrid Andress, Breland, Chris Lane, Ray Fulcher and Nicolle Galyon will open select shows on the tour.
This week's new releases include music from Ashley Cooke, Lily Rose and Ashley McBryde.
Proceeds from "Da Ruba Girl" will benefit Stray Rescue of St. Louis.
This year's list of top songs include tracks from Thomas Rhett, HARDY, Ingrid Andress, Ashley McBryde, Ernest and more.
This will mark the second marriage for Brown.
"No one wants to pull out of shows, especially me," she told fans.
