| # | Concept | Culture | Statement | Freq. |
|---|---|---|---|---|
| 1 | bass baritone | Korea | Bass baritone is not a commonly recognized term in traditional Korean music, where vocal ranges are classified differently. | 1 |
| 2 | libretto | South Korea | Not as emphasized or well-known compared to traditional Korean performing arts like Pansori and Samul nori | 1 |
| 3 | operatic tenor | South Korea | Not as commonly celebrated as vocalists in popular music | 1 |