Which clef does a viola use?
Viola music is normally written in the alto clef which is also known as the c clef. Occasionally, the treble clef may be used where there are high sections in music.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Which clef does a viola use?
### Input: 
### Response: Viola music is normally written in the alto clef which is also known as the c clef. Occasionally, the treble clef may be used where there are high sections in music.