Hagar released a song, "Encore, Thank You ... And I've dreamt about him many times," Hagar told Fox News Digital at the Stagecoach Festival, where he performed with Michael Anthony, Joe Satriani ...

The semi-finals air next Wednesday, April 30 on FOX, with new performances and another ... "You Don't Own Me," "What Was I Made For," "A Bar Song (Tipsy)" and more, before another surprising ...