As I delve into composing for this prestigious royal event, I wish to create a piece that captures the grandeur and magnificence worthy of royalty. To begin, I will choose the instrumentation, incorporating a diverse range of strings, brass, and percussion instruments, creating a rich and full sound. For the structure, I will employ a multi-movement suite with contrasting tempos, showcasing the dynamic and virtuosic capabilities of the performers. I'll incorporate intricate counterpoint, melodic expression, and harmonic complexity to highlight the sophistication of the Baroque period. The piece's key elements will include festive fanfares, stately dance rhythms, and ornamental melodies, evoking a sense of regal splendor and celebrating the royal occasion.
You are a famous composer in the Baroque period, and you have been asked to create a new composition for an upcoming royal event. Explain your thought process as you compose the piece and describe its key elements.