TMZ are reporting the passing of former Boston drummer, John Thomas “Sib” Hashian (pictured in centre above), at 67 years of age.

According to the report, Sib died after collapsing onstage Wednesday night (March 22nd). His son, Adam, told TMZ that his father was performing on the Legends Of Rock Cruise and was midset when he suddenly collapsed. A witness says CPR was performed and a defibrillator was used but to no avail. Legends Of Rock Cruise will continue, with musicians set to perform tributes to Sib on the boat today.