Waylon Reavis has exited Mushroomhead. The band said the split was due to “irreconcilable differences.” Here’s the band’s full statement: “Due to irreconcilable differences with band ownership, effective today vocalist Waylon Reavis has severed all ties with Mushroomhead and Filthy Hands Company. Waylon is thankful for the opportunity Mushroomhead has provided him the last 11…