The utility model discloses a documental music and voice reproducing device which can synchronously reproduce the sequential data interchange format of the music sequential data and the voice reproduction sequential data, comprising the first storage unit, a control unit, and sound source; the first storage unit stores the music data files containing the music unit and the voice unit, and the music unit indicates the music to generate a series of the music generation events; the voice unit is a voice reproduction sequential data and indicates a series of the voice reproductions to reproduce voice reproduction event data; the time of enforcing the voice reproduction is used as the elapsed time of a voice reproduction event data in the past to designate duration time data combination; the control unit is connected with the first storage unit and reads out and stores in the music data files of the first storage unit; the sound source is connected with the first storage unit and control unit; according to the music generated by the music unit stated above in the music data file read out and stated above, and the voice generated by the voice unit stated above in the music data file read out and stated above, the music and voice stated above are synthesized and output.