A musical score display apparatus reads note data and lyric data, and displays the read note data and lyric data on a displayed musical score. In the case where the lyric data are displayed to match the displayed note data, a position where character strings of the lyric data overlap is detected, and the display range of the note data and the lyric data which contains the detected position is extended. Further, the character strings of the lyric data are scrolled within the display range of the lyric data which contains the detected position. Thus, even when the character stings of the lyric overlap on the displayed musical score, a user can read the lyric without any special operation.