MUSICAL INSTRUMENT PRACTICE SYSTEM, MUSICAL INSTRUMENT PRACTICE METHOD, CONTENT SELECTION DEVICE, ACOUSTIC DEVICE, ACOUSTIC SYSTEM AND CONTENT SELECTION METHOD

摘要

This content selection device is provided with an acquisition unit, a selection unit, and a playback unit. The acquisition unit acquires information about allowable time. The selection unit selects the content to be utilized in accordance with the aforementioned allowable time. The playback unit plays the content selected by the selection unit.