The invention discloses a music information display control method and a music information display control apparatus. The music information display control apparatus includes one or more processors configured to display, on a display device, a musical note sequence image in which a musical note iconic image of each musical note is disposed in a musical score area where a time axis is set. The one or more processors dispose an operation iconic image which accepts an instruction from a user in a vicinity of the musical note iconic image, and change a display length or a display position of the musical note iconic image in a direction of the time axis according to an instruction to move the operation iconic image.