| 摘要 |
PROBLEM TO BE SOLVED: To select optional sound from a plurality of kinds of sound without requiring a special apparatus or a special operation, and reproduce presented contents including the selected sound. SOLUTION: A plurality of pieces of music are recorded in a DVD(digital versatile disk) for music works such as for karaoke, etc. Each piece includes a plurality of kinds of sound. In order to select a piece from the DVD, the piece is selected on a music selection menu screen, when a sound selection menu 31 is displayed. A sound is selected on the sound selection menu 31. The piece selected on the music selection menu and including the sound selected on the sound selection menu 31 is reproduced. |
