Create Original Instrumental Music

I need an original instrumental piece inspired by an existing song that I currently have but is copyrighted. The new instrumental should capture the essence of the original song, focusing on its melody, rhythm, and instrument choice. Additionally, I would like to incorporate some new instruments to enhance the overall sound.

Key Requirements:
- Develop an original instrumental inspired by the melody, rhythm, and instrument choice of the existing song.
- Include additional instruments to create a unique sound.

Ideal Skills and Experience:
- Experience in music composition and production.
- Ability to create music inspired by existing works while ensuring originality.
- Proficiency in incorporating various instruments into a cohesive instrumental piece.