Voice archetype: a guy who sings bass. Allow me to rephrase that: a guy who sings BASS, a bass singer's bass, a bass that makes Barry White sound like a tenor. Basso profondo is the technical term for the lowest of all voices. To qualify, the character must be able to give a tuba a run for its money when it comes to low notes. Many may be "Oktavists", men who sing a full octave below the normal bass range. Obviously these singers are Always Male -- unless they aren't. Examples of Basso Profondo include: