Dmitri had been a basso profundo singer, and to this day retains a commanding voice as well as a keen ear.
The basso profundo with the keys stood frowning at the paper Singleton had presented.
The same general elements enter into the composition of all voices, from the basso profundo to the high soprano.
Caleb fired off his revolver, and Turk bayed his basso profundo full-cry Fox salute.
These basso profundo sounds, if one could formulate them into words at all, seemed more like "Disgusting fool!"
Once he was a famous basso profundo, but now his voice was high and thin, and seemed already fraught with faint aerial music.