Patent ID: 7781663

Claim:
A computer-readable storage medium for storing a musical piece correction program to be executed by a computer of a musical piece correction apparatus for correcting a sounding timing of a sound which constitutes a part of a musical piece, the musical piece correction program causing the computer to perform: a music performance data reading step of reading, from storage memory of the musical piece correction apparatus, music performance data indicating sounding timings in the musical piece; a reference timing setting step of setting a plurality of reference timings in a performance period of the musical piece; a reference period setting step of setting, for each reference timing, a reference period including said each reference timing; a selecting step of selecting, from among sounding timings included in the reference period, a nearest sounding timing to said each reference timing; and a correction step of correcting the sounding timing selected at the selecting step such that the sounding timing coincides with said each reference timing.