| 摘要 |
PROBLEM TO BE SOLVED: To provide many people who do not have much time nor money with an opportunity to listen to real music in present situation in which it is necessary to spend time and pay for an expensive ticket to go to a concert hall to listen to real music.SOLUTION: According to a planning/operation system, unlike automatic performance musical instruments of electrically synthesized sounds, automatic live performance musical instruments based on authentic musical instruments are normally installed at a small concert hall to inexpensively hold a concert depending on automatic live performance musical instruments on demand. |
