In music, a refrain has two parts: the lyrics of the song, and the melody. Sometimes refrains vary their words slightly when repeated; recognizability is given to the refrain by the fact that it is always sung to the same t… See more

There are two distinct uses of the word "chorus". In the thirty-two bar song form that was most common in the earlier twentieth-century popular music (especially the Tin Pan Alley tradition), "chorus" referred to the entire mai… See more

Many Tin-Pan Alley songs using thirty-two bar form are central to the traditional jazz repertoire. In jazz arrangements the word "chorus" refers to the same unit of music as in the Tin Pan Alley tradition, but unlike the Tin Pan All… See more