A display control system comprising: an acquirer (711, S120) configured to acquire lyrics data of a musical piece reproduced by an acoustic device; and a display controller (515, 711, S210-S280) configured to display, on a display device, motion graphics corresponding to the musical piece reproduced by the acoustic device in accordance with the lyrics data acquired by the acquirer, wherein the display controller is configured to: determine a discrepancy between a reproduction length of the musical piece shown in the lyrics data and a reproduction length of the musical piece determined based on the musical piece data used for reproducing the musical piece; select a type of motion graphics that fits a meaning of lyrics of the reproduced musical piece from among various types of motion graphics so that a type of motion graphics displaying an entire line of the lyrics of the musical piece during a period that the line is performed with vocals is selected when the discrepancy is greater than a threshold and a type of motion graphics displaying words constituting the line in temporal order during the period is selected when the discrepancy is less than a threshold and display the selected type of motion graphics on the display device in harmony with progression of the musical piece reproduced by the acoustic device, the selected type of motion graphics including the lyrics of the musical piece in a form of a text. an acquirer (711, S120) configured to acquire lyrics data of a musical piece reproduced by an acoustic device; and a display controller (515, 711, S210-S280) configured to display, on a display device, motion graphics corresponding to the musical piece reproduced by the acoustic device in accordance with the lyrics data acquired by the acquirer, wherein the display controller is configured to: determine a discrepancy between a reproduction length of the musical piece shown in the lyrics data and a reproduction length of the musical piece determined based on the musical piece data used for reproducing the musical piece; select a type of motion graphics that fits a meaning of lyrics of the reproduced musical piece from among various types of motion graphics so that a type of motion graphics displaying an entire line of the lyrics of the musical piece during a period that the line is performed with vocals is selected when the discrepancy is greater than a threshold and a type of motion graphics displaying words constituting the line in temporal order during the period is selected when the discrepancy is less than a threshold and display the selected type of motion graphics on the display device in harmony with progression of the musical piece reproduced by the acoustic device, the selected type of motion graphics including the lyrics of the musical piece in a form of a text. determine a discrepancy between a reproduction length of the musical piece shown in the lyrics data and a reproduction length of the musical piece determined based on the musical piece data used for reproducing the musical piece; select a type of motion graphics that fits a meaning of lyrics of the reproduced musical piece from among various types of motion graphics so that a type of motion graphics displaying an entire line of the lyrics of the musical piece during a period that the line is performed with vocals is selected when the discrepancy is greater than a threshold and a type of motion graphics displaying words constituting the line in temporal order during the period is selected when the discrepancy is less than a threshold and display the selected type of motion graphics on the display device in harmony with progression of the musical piece reproduced by the acoustic device, the selected type of motion graphics including the lyrics of the musical piece in a form of a text.