PROBLEM TO BE SOLVED: To reduce the area necessary for the display of the notes of a musical piece.;SOLUTION: A display control unit displays a musical score image 62 and musical score image 80 selectively on a display device. The musical score image 62 is a piano roll type image in which a plurality of note pictograms Z representing the notes constituting a musical piece are arranged in an area having a time axis and a pitch axis set therein. The musical score image 80 is an image in which a plurality of note pictograms Z in the musical score image 62 are arranged linearly along the time axis while the respective positions on the time axis are maintained. The display control unit displays lyric editing images (84, 86) for a user to edit the lyrics on the notes on the display device together with the musical score image 80.;COPYRIGHT: (C)2015,JPO&INPIT
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