ZZ Top drummer Frank Beard is dealing with serious health problems that have begun affecting the legendary rock band’s touring schedule, TMZ reported. Videos by PopCulture.comThe show was scheduled to feature Cheap Trick and was set to launch ZZ Top’s Big One! ZZ Top frontman Billy F. Gibbons also addressed the canceled performance, describing the situation as an unavoidable setback. “Insurmountable obstacles require canceling our Hollywood Bowl performance,” Gibbons wrote. Beard has been behind the drum kit for ZZ Top since 1969, making him one of the band’s longest-serving members alongside Gibbons.