Musical composition
Original musical piece, or the process of creating such
Musical composition can refer to an original piece or work of music, either vocal or instrumental, the structure of a musical piece or to the process of creating or writing music. People who create compositions are called composers. Composers of primarily songs are usually called songwriters; with songs, the person who writes lyrics for a song is the lyricist.
From Wikipedia, under CC BY-SA. More on occurri.