| Answer | Crossword Clue |
|---|---|
| ALTO | Vocal quartet member |
| INKSPOT | 1940s vocal quartet member |
| ALTO | Vocal quartet member, perhaps |
| SLEDGE | Vocal quartet Sister .. |
| TENOR | Vocal quartet part |
| BASS | One of a vocal quartet |
| PAPAS | Two of a '60s vocal quartet |
| HILOS | Popular '50s vocal quartet, with "the" |
| MANHATTANTRANSFER | Popular 1970's-80's vocal-harmony quartet |
| MAMA | Part of a '60s vocal quartet |
