Reflector: Arrangement-Aware Harmonic Retrieval for Sample-Based Composition
Sample retrieval tools can help composers find harmonically compatible material, but querying from a fixed reference sample becomes less informative as arrangements evolve and the harmonic context shifts with each musical decision. We present Reflector, an interactive audio workstation that tracks harmonic combinations as they accumulate on the composer's timeline and adapts retrieval as the arrangement develops. The system is organized around a fixed interval-class oracle: a hand-designed table of weights that scores how pitch-class content combines between sources. An encoder trained entirely on synthetic audio learns to approximate the oracle in a 128-dimensional embedding space, where...
| Authors | Austin Rockman |
|---|---|
| Primary category | cs.SD |
| Published | 24 July 2026 |
| Last updated at source | 24 July 2026 |
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