Andrew Callo, a talented composer and arranger known for his contributions to the Air Force Band, highlights the transformative power of score study. He discusses how analyzing orchestral scores can deepen understanding of harmony, orchestration, and melodic development. Callo shares insights on navigating score transpositions, the practical challenges of using miniature scores, and recommends resources for musicians. The conversation also touches on the evolution of orchestration techniques, emphasizing the artistry behind creating music that resonates with both emotion and technical mastery.