Electronic musical instrument, electronic musical instrument control method, and storage medium

An electronic musical instrument, comprising:

• an operation unit that receives a user operation;
• a memory that stores a trained model that has been trained and learned singing voice features of a singer based on training data including lyrics and pitches;
• and
• at least one processor,
• wherein the at least one processor performs the following:
• in response to a first operation of the operation unit, obtaining, from the trained model, a singing voice feature of the singer that is associated with a lyric and a pitch indicated by the first operation of the operation unit;
• synthesizing and outputting singing voice data based on the obtained singing voice feature of the singer;
• and
• if a second operation of the operation unit is performed during the first operation of the operation unit, applying an acoustic effect on the singing voice data.

A method of controlling an electronic musical instrument having an operation unit, comprising:

• referring to lyric data including lyrics for a plurality of timings, pitch data including pitches for said plurality of timings, and a trained model that has been trained and learned singing voice features of a singer based on training data including lyrics and pitches;
• at each of said plurality of timings, if the operation unit is not operated at the timing, obtaining, from the trained model, a singing voice feature of the singer that is associated with a lyric indicated by the lyric data for the timing and a pitch indicated by the pitch data for the timing, and if a first operation of the operation unit occurs at the timing, obtaining, from the trained model, a singing voice feature of the singer that is associated with the lyric indicated by the lyric data for the timing and a pitch indicated by the first operation of the operation unit at the timing;
• and
• synthesizing and outputting singing voice data based on the obtained singing voice feature of the singer.