As first reported by TMZ, and confirmed to ABC Radio by Adam, the veteran musician was performing on the Legends of Rock Cruise when he suffered a heart attack and could not be revived.
Sib Hashian joined Boston in 1975, replacing the group’s original drummer Jim Masdea, and went on to play on the group’s hugely successful first two albums: 1976’s self-titled effort and 1977’s Don’t Look Back. Sib also contributed to Boston’s third album, 1986’s Third Stage, but he was replaced by Masdea during its recording.
After exiting Boston, Hashian played with a variety of smaller-scale groups and other musical projects, including Ernie and the Automatics, which also featured ex-Boston guitarist Barry Goudreau. Goudreau also was one of the musicians taking part in the Legends of Rock Cruise.
Besides his son, Sib is survived by two daughters, Asa and Lauren Hashian (left). Lauren is an R&B singer/songwriter who is the longtime girlfriend of actor Dwayne “The Rock” Johnson. The couple has a one-year-old daughter.