Yes, I think that’s an amazing digital art piece!
Answer:
The Contralto is the lowest female singing voice and like the Basses and Countertenors, they're quite rare. The Contralto has a tessitura of around an E3-E5 and a good amount of vocal weight. These are the ladies that almost sound like men when they speak or sing lower notes.
Explanation:
E one finger down on the d string