Musicality information provision method, musicality information provision apparatus, and musicality information provision system

A musicality information provision apparatus, comprising:

• a memory;
• and
• a processor configured to:
• acquire first performance data from a performance of a given composition;
• calculate, with respect to a combination of a plurality of parameters indicating musicality, which are included in the first performance data, respective distances between the first performance data and a plurality of sets of second performance data that are acquired from performances of the given composition and that are compared with the first performance data, wherein the plurality of parameters indicating the musicality include time differences between operation start timings of performance controllers during a standard performance of the given composition and operation start timings of the performance controllers in the first performance data;
• and
• output determination information for determining the musicality of the first performance data, the determination information including information indicating the respective distances.

A musicality information provision system, comprising:

• a terminal apparatus configured to transmit performance data of a given composition performed using an electronic musical instrument;
• and
• a server including:
• a receiver configured to receive the performance data as first performance data;
• and
• a processor configured to:
• calculate, with respect to a combination of a plurality of parameters indicating musicality, which are included in the first performance data, respective distances between the first performance data and a plurality of sets of second performance data that are acquired from performances of the given composition and that are compared with the first performance data, wherein the plurality of parameters indicating the musicality include time differences between operation start timings of performance controllers during a standard performance of the given composition and operation start timings of the performance controllers in the first performance data;
• and
• output determination information for determining the musicality of the first performance data, the determination information including information indicating the respective distances.