What is the role of a Cantor?
When and why did the Cantor come into place?
What is the role of a Cantor?
When and why did the Cantor come into place?
The Leviim had the role of singing in the Beit Hamikdash.
Today being a cantor in a synagogue is not directly related to the job of singing by the Leviim but simply a function of a person whose profession is to lead davening.