Rewrite the following sentence so it contains correct grammar and is precise.
At the age of 8, I started singing in the church choir
At eight years old, I began performing as part of the church choir.
Complete the following task based on the instruction and optional input provided.### Instruction:
Rewrite the following sentence so it contains correct grammar and is precise.

### Input:
At the age of 8, I started singing in the church choir

### Output:
At eight years old, I began performing as part of the church choir.