Sebastian Bach (SKID ROW), Billy Gibbons (ZZ TOP), Matt Sorum (GUNS N’ ROSES) and Gilby Clarke (GUNS N’ ROSES) performed at a private event on September 3 at Usina Monte Alegre, a 400,000-square-meter space in Piracicaba, São Paulo, Brazil. The concert served as the launch of ViralCure, an impact-fi…
