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Riddle: You're in a dungeon. There is a locked door. No windows. There is only one object: a piano. How will you get out?

Answer: Play the piano until you find the right key. Source: https://riddles.com/index.php/7103

You're in a dungeon. There is a locked door. No windows. There is only one object: a piano. How will you get out? — Yikes by Jokeman27 Riddle