Slipknot adds a last-minute concert on April 25 at Pappy & Harriet's, Pioneertown, CA.

Slipknot adds a last-minute concert on April 25 at Pappy & Harriet's, Pioneertown, CA; tickets available online and at venue box office from April 23. The band hinted at the show with a billboard near Coachella featuring "one night only" and "long may you die". Slipknot also plans to headline several upcoming festivals and a 25th-anniversary international tour in November.