Celebratory songs are musical pieces that express joy, happiness, and a sense of achievement. They are often played during special occasions such as weddings, birthdays, and holidays. These songs can uplift spirits and create a festive atmosphere, encouraging people to dance and sing along. Common examples of celebratory songs include Happy Birthday, Auld Lang Syne, and We Are the Champions by Queen. These songs often feature upbeat melodies and positive lyrics, making them perfect for gatherings and celebrations. They help to mark significant moments in life and foster a sense of community among listeners.