Abstract: According to one embodiment, provided is a harmonics learning system comprising: a communication unit for providing, to a user terminal, sheet music of at least one first voice part, and receiving, from the user terminal, sheet music of at least one second voice part that excludes the first voice part; a model generation unit for generating a scoring model by using a plurality of rules divided into vertical elements and horizontal elements; and a control unit for marking harmonic scores with the sheet music of the first voice part and the sheet music of the second voice part by using the scoring model.

Abstract: According to one embodiment, provided is a harmonics learning system comprising: a communication unit for providing, to a user terminal, sheet music of at least one first voice part, and receiving, from the user terminal, sheet music of at least one second voice part that excludes the first voice part; a model generation unit for generating a scoring model by using a plurality of rules divided into vertical elements and horizontal elements; and a control unit for marking harmonic scores with the sheet music of the first voice part and the sheet music of the second voice part by using the scoring model.

Abstract: Disclosed are a harmony symbol input device and method using a dedicated chord input unit. The harmony symbol input device includes: a musical notation provider configured to visualize and provide a musical notation; a chord input unit provider configured to provide a dedicated chord input unit for inputting a harmony symbol in each harmony section of the musical notation; and a harmony symbol display part configured to repeat an operation that provides highlighting for a specific harmony section in a progression order of the musical notation and displays the harmony symbol received from the dedicated chord input unit in relation to the highlighting.

Abstract: Disclosed are a harmony symbol input device and method using a dedicated chord input unit. The harmony symbol input device includes: a musical notation provider configured to visualize and provide a musical notation; a chord input unit provider configured to provide a dedicated chord input unit for inputting a harmony symbol in each harmony section of the musical notation; and a harmony symbol display part configured to repeat an operation that provides highlighting for a specific harmony section in a progression order of the musical notation and displays the harmony symbol received from the dedicated chord input unit in relation to the highlighting.