Bassobaritones
A bass baritone is a male singing voice that lies between the bass and baritone ranges. It is considered the lowest operatic male voice type, though some sources categorize it as a sub-category of baritone. Singers in this range possess a powerful, dark, and resonant tone, often with a significant amount of weight and gravity in their lower register.
The vocal range for a bass baritone typically extends from approximately F2 (the F below middle C)
Roles written for bass baritone in opera and musical theatre often require a voice capable of both