Conversation so far:
When did Chuck Schuldiner's musical career begin?
Chuck Schuldiner formed Death as Mantas in 1983 when he was just 16 years old. Original members were Schuldiner (guitar), Rick Rozz (guitar) and Kam Lee (drums and vocals).

Question: Did he play in any other bands?
Self-contained rewrite: Did Chuck Schuldiner play in any other bands besides Death as Mantas in 1983 when he was just 16 years old?