Megadeth’s David Ellefson is streaming his cover of Post Malone‘s “Over Now.“ The track, which is expected to appear on the bassist’s upcoming album, was recorded with Thom Hazaert (vocals), Andy Martongelli (guitars), Paolo Caridi (drums) and ex-Guns N’ Roses guitarist Ron “Bumblefoot” Thal (guitars/backing vocals). Ellefson previously commented: “We’re all fans of Posty, and…