What is the aim of a "choral arrangement"?

A choral arrangement is specifically designed to adapt a piece of music for performance by a choir, taking into account the various vocal ranges and harmonies needed for a balanced and harmonious sound. This involves distributing the musical lines effectively among different voice parts, such as soprano, alto, tenor, and bass, ensuring that each section can contribute to the overall texture of the performance.

This process usually includes considerations for the complexity of the piece, the capabilities of the singers, and how the arrangement will fit the style and goals of the choir. By thoughtfully arranging the music, the arranger facilitates a cohesive performance that highlights the strengths of the choir and maintains the integrity of the original work.

The other choices revolve around different aspects of music and performance. Creating a solo piece from a choral work, for instance, does not focus on the collective nature of choral singing. Performing without prior rehearsal does not reflect the planning and preparation required in choral settings. Additionally, improvising new melodies diverges from the structured nature of making an arrangement, where the focus is on adapting existing music rather than creating something entirely new.