"The Party's Over" is a song written by Jule Styne with lyrics by Betty Comden and Adolph Green. Released in 1950, it was originally performed in the Broadway musical Bells Are Ringing. The song reflects a sense of nostalgia and the end of a joyful time, capturing the bittersweet feeling of moving on from a celebration. The song has been covered by various artists over the years, including Nat King Cole and Frank Sinatra. Its themes of farewell and the passage of time resonate with listeners, making it a timeless classic in American music history.