Final answer:
Claude Debussy and Maurice Ravel were the most influential composers in the impressionist period.
Step-by-step explanation:
The two most influential composers in the impressionist period were Claude Debussy and Maurice Ravel.
Impressionist music, like impressionist art, aimed to capture the fleeting and atmospheric qualities of a moment.
Debussy's compositions, such as his famous piece 'Clair de Lune,' used innovative harmonies and delicate textures to create dreamlike and evocative musical landscapes.
Ravel, on the other hand, showcased his unique blend of impressionistic colors and classical forms in works like 'Bolero' and 'Pavane pour une infante défunte.'