Importance

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Abstract

To assist a human player in performing a foot operator group (pedal keyboard) including a plurality of foot operators operable with a human player's foot, a foot operator image indicative of the foot operator group is displayed on a display screen. Model performance data each designating a pitch to be performed are sequentially acquired, and it is determined whether the pitch designated by the acquired model performance data should be performed by use of the foot operator group. Upon determination that the designated pitch should be performed by use of the foot operator group, a particular foot operator corresponding to the designated pitch is visually designated on the displayed foot operator image (for example by adding a marker image to the particular foot operator). Thus, the human player can easily operate the foot operators while visually confirming, on the foot operator image, each foot operator to be operated.

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First Claim