Arpeggiator, recording medium and method of making arpeggio

A recording medium, which is computer-readable and records a program provided with an arpeggiator function of causing a computer having a storage portion to automatically play an arpeggio on the basis of note numbers input by a performer in a plurality of performance parts,

• the storage portion functioning as storage part for storing an arpeggio pattern in which sound production timings of arpeggio constituent sounds are stored,
• and the program provided with an arpeggiator function causing the computer to execute:
• a detection step of detecting that a sound production timing of one performance part overlaps with a sound production timing of another performance part;
• a velocity correction step of, in a case where it is detected in the detection step that the sound production timings overlap with each other, correcting a velocity of the one performance part of which sound production overlaps such that the velocity is reduced;
• and
• a sound production step of performing sound production based on the note numbers input by the performer at the velocity corrected to be reduced in the velocity correction step at the sound production timings stored in the arpeggio pattern.

A method of making arpeggio using an arpeggiator that includes automatic performance part for automatically playing an arpeggio on the basis of note numbers input by a performer in a plurality of performance parts, the method of making arpeggio comprising:

• a detection step of detecting that a sound production timing of one performance part overlaps with a sound production timing of another performance part;
• a velocity correction step of, in a case where it is detected in the detection step that the sound production timings overlap with each other, correcting a velocity of the one performance part of which sound production overlaps such that the velocity is reduced;
• and
• a sound production step of performing sound production based on the note numbers input by the performer at the velocity corrected to be reduced in the velocity correction step at the sound production timings stored in the arpeggio pattern.