One day, Johnny Cash took the stage. He smiled wide. His black clothes shined. He said, "Hello, I'm Johnny Cash."

He picked up his guitar. He began to sing. His voice was deep, like a river's flow. The song was about a man. The man was in prison.

The man missed the sunlight. He missed the green grass. He missed the sweet smell of flowers. He was sad, very sad.

Johnny sang these feelings. His words painted pictures. The audience could see the man. They could feel his pain. They could al...