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第七首练习曲《为半音阶而作》这首飞掠飘逸的小谐谑曲以半音阶为主要素材。18世纪以来,自巴赫的《半音阶幻想曲》,经由肖邦、李斯特,直到瓦格纳的《特里斯坦与伊索尔德》,各处都可看到半音阶的踪影,而德彪西在当时创作这首练习曲是有其突破性和创新意义的。这里的半音阶已不再是经过性和装饰性的,作曲家创造性地运用了半音阶与自然音阶的对位手法,使作品在半音阶富
The seventh Etude “for the chromatic scale and” made of the first flight of the scherzo small scale to chromatic as the main material. Since the 18th century, the “Chromatic Fantasia” from Bach, through Chopin, Liszt, Tristan and Isolde until Wagner, can be seen everywhere the chromatic scale, and Debussy in At that time, writing this Etude has its breakthrough and innovative significance. The chromatic scales here are no longer sexually and decoratively applied. The composer creatively used the technique of consonance between chromatic and natural scales to make the work rich in chromatic