Steve Vai, Zakk Wylde, Yngwie Malmsteen + More Return for 2018 ‘Generation Axe’ North American TourSteve Vai, Zakk Wylde, Yngwie Malmsteen + More Return for 2018 ‘Generation Axe’ North American TourVai and Wylde will be joined by Yngwie Malmsteen, Nuno Bettencourt and Tosin Abasi on the guitar-centric tour.Chad ChildersChad Childers