What style of music created a dissonant sound using uncommon scales? romanticism expressionism impressionism jazz

Impressionism.

Explanation:

Impressionism was a movement that emerged during the late nineteenth century and early twentieth century. The Impressionism music was based on mood and atmosphere.

The style of this music was the use of uncommon scales used to create a dissonant sound. Earnest Fanelli is considered the father of impressionist music. He composed the impressionist style of music in the early 1880s.

Other composers who contributed to this movement are Charles Tomlinson Griffes, Paul Dukas, John Alden Carpenter, and many others.

So, the correct answer is Impressionism.

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