Band arrangement refers to the organization and structuring of musical parts for a group of musicians, typically in a band. This process involves deciding which instruments will play specific melodies, harmonies, and rhythms, ensuring that each part complements the others. In a band arrangement, the roles of each musician are clearly defined, allowing for a cohesive sound. Arrangements can vary widely, from simple settings for small ensembles to complex orchestrations for larger groups. The goal is to create a balanced and engaging performance that highlights the strengths of each instrument and musician.