Miranda Lambert performs at the 2016 iHeartCountry Fest Saturday, April 30 at the Frank Erwin Center in Austin. (Suzanne Cordeiro/Austin Amrican-Statesman)

Miranda Lambert has cancelled three Texas dates on her “Keeper of the Flame” tour, including her Friday night appearance at the Frank Erwin Center due to “mandated vocal rest.”

For all ticket refunds, fans should return to their original point of purchase. Purchases made by phone or internet will be refunded automatically.