| 摘要 |
PROBLEM TO BE SOLVED: To properly deal with reserved music of a user who has left while maintaining singing reservation of the music other than a member of a network karaoke.SOLUTION: If an account is issued to unspecified number of users without being based on a user identifier each time and a user of the account who has reserved music leaves from a karaoke device before singing, reservation content is maintained and the user can participate again when the user returns. |
