Yikes

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://www.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 v1.

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. — by Jokeman27 v2.