Related Clues:
- Innate — neither flat nor sharp
- Perfectly pitched, musically
- Mr. ___ (R. Crumb character)
- Living in the wild, not a flat
- Expert despite little training
- Undyed
- Not at all sharp, maybe
- Pleasant to the ear, say
- Correctly sung
- Not flat or sharp
- Native solver is speaking in Zulu region
- Certainty is only to be expected
- An ideal person to be spontaneous
- Unaffected; unaltered
- Relaxed, unaffected