The New Apprentice

When Cliff was 12, his father gave him to a musical instruments shop as an apprentice.
On his first work day, Cliff's master forgot Cliff in the shop. He locked the door and went home.
It was too late for Cliff until he understood he was left in the shop. He hit the shutters with his fist; he shouted for help but nobody could hear him. The street was too noisy.