| 摘要 |
A data base includes a plurality of music data set specifying a plurality of sample musical pieces. Each sample musical piece is expressed and specified by either or both of melody characteristics or a melody itself with respect to the respective phrases on a phrase-by-phrase basis in a musical piece. The user inputs a melody fragment or melody characteristics for a particular phrase of a musical piece to be composed. The apparatus selects from the data base a musical piece including a phrase whose melody itself or melody characteristics is equal or similar to the melody fragment or melody characteristics as inputted by the user, and generates a melody fragment for the designated phrase to be included in a composed musical piece by utilizing the inputted melody fragment as it is or by generating a melody fragment based the melody or melody characteristics of the same phrase in the selected musical piece in the data base. Melody sections covering the remaining phrases are generated based on the melody data or the melody characteristics data of the remaining phrases included in the selected musical piece. The generated or utilized melody fragment for the particular phrase plus the generated melody sections for the remaining phrases in combination constitute an automatically composed musical piece product.
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