This presentation explores Claude Debussy’s artistic manipulation of sound in crafting a captivating musical narrative that transports the audience to the mythical City of Ys. La cathédrale engloutie is an example of musical Impressionism, a style which seeks to evoke emotions and atmospheres through subtle and innovative use of harmony, texture, and timbre. An analysis of the score will be undertaken, unraveling the unconventional techniques Debussy employed to achieve these Impressionistic qualities. We'll also immerse ourselves in the enchanting melodies of Debussy's piano piece, examining various recordings that bring to life the vivid world he conjures through his composition. One such recording is of Debussy himself playing, providing us unique insight into how the composer envisioned the piece's interpretation.