With these codes you can play melodies with a simple piezo speaker using Arduino.
- Bela Ciao - https://create.arduino.cc/projecthub/pibots555/money-heist-bella-ciao-song-in-arduino-uno-b45150
- Despacito - https://fdossena.com/?p=despacito/i.md
- Pirates of the Caribbean Theme - https://github.com/xitangg/-Pirates-of-the-Caribbean-Theme-Song/blob/master/Pirates_of_the_Caribbean_-_Theme_Song.ino
- My Heart Will Go On (Titanic) - https://www.youtube.com/watch?v=bINIJgBaFh0