Hello friends welcome to "TECHNO-E-SOLUTION" today we are going make a very interesting project using arduino uno. We are going to make world famous coffin Dance Song using arduino uno and a single buzzer. I provide circuit diagram of the project below. You can connect a 4 ohm speaker insted of buzzer. This project make me happy and relax when I listen this song using Arduino. br To make this project you need Pitch.h library in you Arduino IDE software.br br Complete details of the Project : -Here you got the Pitches.h library.