| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | contralto | Western classical music culture | Highly valued vocal range for opera roles and choral music | 1 |
| 2 | contralto | Western classical music culture | Contralto is a classification of female singing voice, known for its lower range and darker timbre, often associated with roles in opera and oratorio. | 1 |
| 3 | contralto | Western classical music culture | A contralto voice is valued for its rich, dark, and powerful lower register, and is often sought after for roles in opera and choral music. | 1 |