Who is the composer of the piece performed by the Cleveland Orchestra?

The composer of the piece performed by the Cleveland Orchestra is Wolfgang Amadeus Mozart. Known for his prolific and influential compositions, Mozart was a crucial figure in the transition between the Classical and Romantic eras of Western music. His works are characterized by their melodic beauty, formal structure, and emotional depth. The Cleveland Orchestra frequently performs Mozart's music due to its popularity and the technical demands it presents, which showcase the orchestra's skill and artistry.

Each of the other composers listed is also significant, but the piece in question aligns specifically with Mozart's style, instrumentation, and overall contribution to the repertoire that orchestras like the Cleveland Orchestra choose to highlight in their concerts.