Write a 150-word story based on the visual prompt:
She had hated piano lessons. Her older brother Robbie had learned to play and her mother assumed lessons would continue with the next child. After two years of agonizing scales and practice, Niki convinced her mother it was not her cup of tea, although gymnastics was an interest.
By age 10, she was doing backflips, somersaults in midair, and happily competing with the school’s gymnastics team. Her favorite had been the balance beam. Often she would practice walking on any four-inch surface or as narrow a surface as she could find.
The piano, no longer being used, was moved to the patio in the summer. Niki would annoy her brother by hopping onto the keyboard and walking down the keys. Now that she was gone, killed by a drunk driver a week before her fifteenth birthday, Robbie often thought he heard the sound her toes made strolling along the keys.