A contrapuntal song is a type of composition that uses two or more independent melodic lines. The most common forms of contrapuntal songs are the motet, CANON, fugue, and DESCANT. A motet is a polyphonic vocal composition with Latin text, usually on a religious subject. A CANON is a contrapuntal composition in which each voice enters at a different time, but all voices sing the same melody. A fugue is a contrapuntal composition in which each voice enters at a different time, but all voices sing different melodies. A DESCANT is a type of contrapuntal composition in which one voice sings a melody while the other voices sing a countermelody.