1. Use of Non-Traditional Scales and Chords: Debussy often used exotic scales and harmonies, such as the whole-tone scale and augmented chords, to create unique tonalities.
2. Atmospheric Sound Textures: His compositions often feature delicate, ethereal, and ambient textures, achieved through impressionistic orchestration and evocative use of instrumental colors.
3. Depiction of Nature and Emotions: Debussy's music frequently draws inspiration from nature, with titles such as "Clair de lune" (Moonlight), "La mer" (The Sea), and "Prélude à l'après-midi d'un faune" (Prelude to the Afternoon of a Faun). His compositions aim to capture fleeting moments, moods, and emotions through musical means.
4. Emphasis on Timbre and Color: Debussy's music is known for its intricate use of instrumentation and the subtle nuances in timbre and tone. He carefully selected and combined instruments to achieve specific sound effects and moods.
5. Flexible Rhythms and Structures: Debussy's compositions often feature free and flexible rhythmic patterns, as well as unconventional musical forms. He experimented with breaking away from traditional sonata and rondo structures, favoring more fluid and poetic musical forms.
6. Influence of Non-Western Music: Debussy was inspired by non-Western musical traditions, particularly those from Southeast Asia and North Africa. He incorporated aspects of these musical idioms into his compositions, adding a touch of exoticism and originality to his works.
7. Atmospheric Sound Effects: Debussy sought to create auditory environments and evoke distinct atmospheres through his music. His compositions often include delicate, subtle, and sometimes unexpected sonic elements that contribute to the overall mood or imagery of the piece.
Debussy's significant works include orchestral compositions like "La mer" and "Prélude à l'après-midi d'un faune," piano pieces such as "Clair de lune" and "L'isle joyeuse," and various other chamber works and songs. With his unique Impressionist style, Debussy's music revolutionized the classical music landscape of his time and continues to captivate audiences to this day, serving as a source of inspiration for subsequent generations of composers.