Technologies are generally described for a virtual instrument playing system. In some examples, a virtual instrument playing system may include a sensor data receiving unit configured to receive first sensor data of a first user and second sensor data of the first user, a sound event prediction unit configured to detect a sound event of the first user and to predict a sound generation timing corresponding to the sound event of the first user based at least in part on the first sensor data of the first user, an instrument identification unit configured to identify a virtual instrument corresponding to the sound event from one or more virtual instruments based at least in part on the second sensor data of the first user, a sound data generation unit configured to generate sound data of the first user regarding the identified virtual instrument based at least in part on the sound generation timing, and a video data generation unit configured to generate video data of the first user regarding the identified virtual instrument based at least in part on the second sensor data of the first user.
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