Meaning: The quote by Brian Ferneyhough, a prominent contemporary composer, provides insight into his approach to music composition and the underlying concepts that influence his creative process. By dissecting the quote and delving into Ferneyhough's ideas, we can gain a deeper understanding of his musical philosophy and the significance of interference phenomena in his work.

Ferneyhough's mention of "important interference phenomena" in his model alludes to the intricate and multifaceted nature of music composition. It suggests that his creative process involves the convergence of various elements or "individual strata," which may represent different musical components such as rhythm, melody, harmony, and timbre. When these elements intersect or come into contact, they give rise to "chaotic fluctuations" that seem to be at the core of his music.

The term "interference phenomena" can be interpreted in the context of physics, where it refers to the interaction of waves leading to the creation of complex patterns. In music, this concept may be paralleled with the interaction of different musical motifs, themes, or textures, resulting in a rich and intricate sonic tapestry. Ferneyhough's deliberate choice of words suggests that he embraces the unpredictability and complexity that emerges from the collision of musical elements, viewing it as an essential aspect of his artistic expression.

Furthermore, Ferneyhough's assertion that these chaotic fluctuations are what his music is really 'about' underscores the significance he places on the process and the inherent complexities within his compositions. It implies that the core essence of his music lies not in a predetermined structure or narrative, but rather in the dynamic interplay and interferences that occur within the music itself. This perspective aligns with the avant-garde and experimental nature of Ferneyhough's compositions, which often push the boundaries of conventional musical forms and challenge traditional notions of harmony, rhythm, and tonality.

Ferneyhough's music is renowned for its intricate notational complexity and demands on performers, reflecting his commitment to exploring the limits of musical expression. His compositions often feature dense, polyphonic textures, rapid rhythmic changes, and intricate counterpoint, creating a sense of turbulent energy and unpredictability. These characteristics resonate with his description of chaotic fluctuations arising from the interference of individual strata, offering a glimpse into the underlying principles that drive his creative output.

From a broader perspective, Ferneyhough's quote sheds light on the philosophical underpinnings of contemporary art music, particularly within the realm of avant-garde and experimental composition. It invites contemplation on the nature of artistic expression, the role of unpredictability and chaos in creativity, and the ways in which composers navigate the complexities of musical construction.

In conclusion, Brian Ferneyhough's quote encapsulates his approach to music composition, emphasizing the significance of interference phenomena and chaotic fluctuations in shaping his artistic vision. By embracing the complexities that arise from the convergence of individual musical elements, Ferneyhough's music embodies a sense of unpredictability and dynamism, challenging traditional notions of form and structure. His quote provides valuable insight into the philosophical and conceptual foundations of his work, offering a glimpse into the intricate world of contemporary avant-garde composition.