source: wikimedia commons

System Of A Down drummer John Dolmayan has shared that fans may see new music from his project called, These Grey Men, within the next four months.

To add to the anticipation, Dolmayan also revealed that Avenged Sevenfold’s M. Shadows and System Of A Down vocalist Serj Tankian are both involved having contributed vocals.

You can check out Dolmayan’s interview with SOAD Mexico below.