Birthday songs are special tunes sung to celebrate a person's birthday. The most famous birthday song is "Happy Birthday to You," which is often sung at birthday parties. This song is typically sung when the birthday cake is brought out, and everyone gathers to wish the birthday person well. These songs can vary by culture and language, with different melodies and lyrics. Some people choose to create personalized birthday songs, adding unique touches that reflect the birthday person's personality or interests. Overall, birthday songs play a significant role in making celebrations more joyful and memorable.