The most common and most likely answer to this crossword clue is the 8 letter word BARITONE
I've seen this crossword clue in The Guardian
B
A
R
I
T
O
N
E
More clues leading to the result BARITONE
- Prohibit one including Italian singer
- Save Italian number for male singer
- Singer to hold back one note
- Not even Blair mistook Noel for singer
- Island toured by bald singer
- Voice of trio involved in mischief
- Singer in pub, Italian individual
- His voice perhaps is to preclude Charlie from exceptional notice
- Singer in boater, dancing
- Very little music with it: solo voice
Buddy explains!

The straight part
We know that "Voice" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case voice = baritone.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does BARITONE mean?
BARITONE noun- The male voice between tenor and bass
- The musical range between tenor and bass
- A person, instrument, or group that performs in the range between tenor and bass
- A brass instrument similar to the euphonium, but with a cylindrical bore instead of a conical one; a baritone saxhorn
- A word that is not accented on the ultimate syllable.
- A word that is accented on the penultimate syllable.