A music reproducing device comprises an operating function unit and a reproducing function unit, wherein the reproducing function unit comprises an information notifying section for notifying the operating function unit of information of a piece of music to be reproduced, a notification controlling section for controlling the notification of the music information to the operating function unit by the information notifying section when the operating function unit is in an inactive state, and a memory section for temporarily memorizing the music information from the information notifying section when the operating function unit is in the inactive state, and the operating function unit comprises an information obtaining section for obtaining the music information from the memory section when the operating function unit recovers from the inactive state to an active state.