Thirteen-year-old Nina sang a little tune as she danced around the velvety green lawn among the red roses and purple bougainvilleas.  Her voice sounded like that of a  happily twittering bird as it floated in the breeze with sun-coloured butterflies. Her mother was watering the plants and exclaimed, “You sound so good!   Let’s find you a fine teacher, who can cultivate your voice and make it have the best nightingale sound. ” Because Nina was rather nervous, her mum had to carefully search until she located a kind and sympathetic instructor.   That’s how the soft-spoken Mr. Prasad came to become Nina’s voice teacher. With his gentle dreamy smile and tender eyes behind his round glasses, Mr. Prasad welcomed the young girl into his studio.  “Make yourself comfortable on that chair.  Let me hear your pretty voice,” he said. She started to sing ‘Twinkle twinkle little star’.   Leaning back against the…