关于歌曲“纯音乐”性及词曲关系问题,苏珊·朗格认为是“一种艺术吞并了另一种艺术的同化”即音乐控制着音乐形式。历来关于歌曲是否是属于“纯音乐”而纯音乐又是否只是纯旋律一直有着争论。哲学家彼得·基维认为“歌曲是有文辞的作品,而一旦关注有文辞的作品,一切辩论的根据就随之消失 As for the song ”pure music“ and the relations between song and song, Susan Lange thinks it is ”one kind of art annexes another art assimilation“, that is, music controls the form of music. It has always been debated whether the song belongs to ”pure music“ or whether pure music is purely melodic. Philosopher Peter Kivi believes that ”the song is a literary work, and once the literary work is concerned, the basis for all debates disappears