Music composition and music arrangement generation apparatus

Abstract

A musical composition/arrangement assisting apparatus for assisting a composition/arrangement of a multi-part music receives performance information such as melody information, chord information, or the like, and detects candidate tones harmonizing with the performance information. The candidate tones are notes on an available scale determined by a tonality and a chord. Avoid notes are excluded in terms of a chord tone architecture from the candidate tones. Furthermore, tones parallel to melody tones or tones in a minor ninth relation to melody tones are excluded from the candidate tones. The candidate tones are informed a user of and presented to him or her. The user selects tones from the candidate tones to generate musical tone data of another part. The user can compose/arrangement other parts of a music from the candidate tones presented in consideration of musical harmony. Therefore, all the composed/arranged parts are musically harmonized with each other.

Dependencies are inferred from the claim text.