| Questions | N | % |
|---|---|---|
| Fatigue (voice tires of changes quality after singing for a short period of time) | 11 | 73.3 |
| Loss of range(high, low) | 11 | 73.3 |
| Hoarseness (coarse or scratchy sound) | 8 | 53.3 |
| Breathiness | 8 | 53.3 |
| Volume disturbance (trouble singing) loudly | 4 | 26.7 |
| Volume disturbance (trouble singing) softly | 3 | 20.0 |
| Tickling or choking sensation while singing | 3 | 20.0 |
| Prolonged warm-up time (over 1/2hr to warm up voice) | 1 | 6.7 |