What is the rising action in the story the piano rosemary border?

In the short story "The Piano" by Rosemary Border, the rising action begins when the protagonist, a young girl named Judith, discovers a hidden piano in her family's new home and begins to play it secretly. As Judith's passion for music grows and her relationship with the piano deepens, she faces internal conflicts and dilemmas over hiding her talent from her family. These conflicts build tension and propel the story towards its climax.