Michael Nyman's musical score for the film, particularly for works like "The Piano," is characterized by several key elements:

1. Minimalism: Nyman is known for his minimalist approach, where he employs repetitive structures with slight variations. This style creates a hypnotic and emotive atmosphere that complements the visual elements of the film.

2. Piano-Centric Composition: In films like "The Piano," the score is heavily centered around the piano, which acts as an emotional extension of the main character. This emphasis on a singular instrument is a hallmark of Nyman's work.

3. Orchestration: While the piano plays a central role, Nyman often incorporates orchestral elements, enhancing the emotional depth and complexity. Strings, in particular, are used to add layers of sound and richness to the compositions.

4. Melodic Simplicity with Emotional Depth: Nyman's melodies are often simple yet carry significant emotional weight, capturing the nuances of the characters' inner worlds and the film's narrative.

5. Integration with Visuals: Nyman has a keen ability to intertwine his music with the visual storytelling, ensuring that the score is not just an accompaniment but an integral part of the film's atmosphere.

For further reading and to hear some of Nyman's works, you may explore his official website or platforms where his compositions are featured in soundtracks and performances.