HARP: a system for intelligent composer's assistance

  • Authors:
  • Antonio Camurri;Corrado Canepa;Marcello Frixione;Renato Zaccaria

  • Affiliations:
  • Univ. of Genoa, Genoa, Italy;Univ. of Genoa, Genoa, Italy;Univ. of Genoa, Genoa, Italy;Univ. of Genoa, Genoa, Italy

  • Venue:
  • Computer - Special issue: Computer-generated music
  • Year:
  • 1991

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Abstract

HARP (Hybrid Action Representation and Planning), a prototype high-level system for computer-aided composition, is introduced. HARP represents and manipulates music knowledge using a twofold formalism. An object-oriented concurrent environment, the analogical subsystem, provides procedures to manage the sound itself (samples, codes, and algorithms) and particular analysis processes. The symbolic subsystem, a declarative symbolic environment, stores higher level scores, composition rules, definitions in general, and descriptions of pieces of music. The symbolic subsystem is based on a multiple-inheritance semantic network formalism derived from KL-One. The HARP knowledge base, system interface, and reasoning mechanisms are discussed. An important set of analogical descriptions in HARP, based on the metaphor of force fields, is examined