How do you play happy birthday in farsi on the piano?

To play "Happy Birthday" in Farsi on the piano, you can use the melody in C major. The notes for the melody are: C, C, D, C, F, E for "Happy Birthday to you," followed by C, C, D, C, G, F for the next line. Continue with C, C, C, A, F, E, D for the third part, and finally C, C, D, C, F, E for the last line. You can sing the Farsi lyrics along with the melody for a cultural touch!