I will be using a piezo buzzer which I bought from Cytron Technologies. There are 2 types of buzzer, piezo and electromagnetic. Among the 2 types, they can be further split into another 2 categories : transducer or indicator. To play a chime or tune, you will need a piezo transducer buzzer or electromagnetic transducer buzzer.
If you are are using a electromagnetic buzzer, most probably you will need a transistor. For more info on buzzers, visit this site.
I learned this project through CircuitBread web tutorials. Wonderful site to learn electronics. 👍👍
The 1st tune is Fur Elise and the 2nd one is a common funny tune.
Below is the circuit diagram:
when programming 
after programming
Due to limited memory for the PIC10F200, the Fur Elise tune is very short.
The Assembly code:
The video for the 2nd tune ↓
The code :
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