Final answer:
Mendelssohn often uses the soprano register in his compositions to ensure that the tune cuts through the orchestra.
Step-by-step explanation:
Mendelssohn often uses the soprano register in his compositions to ensure that the tune cuts through the orchestra. The soprano register refers to the highest range of pitches in an instrument or voice. By utilizing the soprano register, Mendelssohn creates a bright and prominent sound that stands out from the rest of the orchestra.