A song is a single musical composition that has a melody and, often, words that are sung by a vocalist. The words of a song, as a whole, are called the lyrics, and they may include verses that tell a tale or move a story along, and refrains, or short phrases repeated at the end of each verse.
The definition of a song is a musical piece, or the sounds of some animals such as birds. An example of songs are "Silent Night," "Unchained Melody" and "I Can't Help Falling in Love with You." noun.
What is the difference between Music and Song? – Thus, any composition whether or not accompanied by instruments is referred to as music, if it is in rhythm and appears melodious to ears. – A song is usually referred to as lyrics when it is on paper, but becomes music when sung by an individual.