The Judas Priest frontman first met the Detroit-born shock rocker when they co-headlined the Operation Rock N’ Roll tour in 1991, accompanied by Motorhead, Dangerous Toys and Metal Church. “And most of the bands, including Priest and Alice, had done tours quite recently. That’s Alice. That’s this remarkable thing in rock ‘n’ roll.”Halford and Judas Priest know about remarkable, too. I’m just trying to ponder the opportunity to have another great, big celebration for heavy metal.”Judas Priest, Alice Cooper and Corrosion of Conformity close the Pine Knob Music Theatre’s 2025 season at 6:45 p.m. Thursday, Oct. 2.