What is the definition of Alto Relievos?

Alto relievos, my friends, is like a musical high peak that's soaring so high it makes your ears pop out of your head, literally and figuratively. It's the kind of elevation in music that makes you want to leap from your seat in the concert hall and scream like a kid with a broken wind.

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Here's an unsettling example sentence: "The alto relievos of the dissonant cello's lament left me questioning whether I should've worn a raincoat during Beethoven's symphony."