Topic summary
Dramatic contralto

Extracted from the Wikipedia article Contralto.
Subtypes and roles in opera
The coloratura contralto was a favorite voice type of Rossini's. Many of his roles listed below were written with this type of voice in mind. Lyric contraltos are heavily utilized in both the French and English operatic repertoire. Many of the Gilbert and Sullivan contralto roles are best suited with a lyric contralto voice. Ma Moss in The Tender Land is a notable lyric contralto role. The dramatic contralto voice is heard in much of the German operatic repertoire. Erda in Der Ring des Nibelungen and Gaea in Daphne are both good examples of the dramatic contralto.